Not getting LTE on T-Mobile - Samsung Galaxy S10+ Questions & Answers

I purchased an unlocked S10+ from eBay (SM-G9750) that had an origin from Asia. It had the Snapdragon chipset so I thought it would be the same model, but I'm not getting 4G LTE on my phone. My carrier is T-Mobile.
After doing some research, I believe I don't have access to 2 networks bands (71 and another 16(?)). Is there anything I can do to, "fix" the phone so I can have LTE?

Try flashing the tmobile firmware.

Did you make sure the APN setting is set for tmobile?
Sent from my SM-G975U1 using Tapatalk

minhajmsd said:
Did you make sure the APN setting is set for tmobile?
Sent from my SM-G975U1 using Tapatalk
Click to expand...
Click to collapse
Yea, double checked it after resetting the phone a couple times as well. Still no luck...

christmaslu said:
I purchased an unlocked S10+ from eBay (SM-G9750) that had an origin from Asia. It had the Snapdragon chipset so I thought it would be the same model, but I'm not getting 4G LTE on my phone. My carrier is T-Mobile.
After doing some research, I believe I don't have access to 2 networks bands (71 and another 16(?)). Is there anything I can do to, "fix" the phone so I can have LTE?
Click to expand...
Click to collapse
I have the same phone and I'm getting 4G connectivity on T mobile. I'm in NYC and I'm connecting to bands 4, 5 and 12 typically. My speeds are significantly lower than my S7 because carrier aggregation is not enabled.
Are you in a rural area? I've heard that T mobile uses the 600mhz band 71 (which this phone is missing) for rural LTE coverage.

Type *#2263# in your dialer to see was which.bands your phone supports, I think it support T-Mobile. Also try *#77467# to pull up IMS settings and enable what you can under IMS Service Switch.
Sent from my SM-G975U1 using Tapatalk

floyddroyd said:
I have the same phone and I'm getting 4G connectivity on T mobile. I'm in NYC and I'm connecting to bands 4, 5 and 12 typically. My speeds are significantly lower than my S7 because carrier aggregation is not enabled.
Are you in a rural area? I've heard that T mobile uses the 600mhz band 71 (which this phone is missing) for rural LTE coverage.
Click to expand...
Click to collapse
Nope, not in a rural area. I'm in LA county.

minhajmsd said:
Type *#2263# in your dialer to see was which.bands your phone supports, I think it support T-Mobile. Also try *#77467# to pull up IMS settings and enable what you can under IMS Service Switch.
Sent from my SM-G975U1 using Tapatalk
Click to expand...
Click to collapse
I had tried that yesterday, but got a, "Connection problem or invalid MMI code." I tried 77467 and I got the same error also.
Is there a setting I don't have enabled or need to change so I can use those codes?

christmaslu said:
I purchased an unlocked S10+ from eBay (SM-G9750) that had an origin from Asia. It had the Snapdragon chipset so I thought it would be the same model, but I'm not getting 4G LTE on my phone. My carrier is T-Mobile.
After doing some research, I believe I don't have access to 2 networks bands (71 and another 16(?)). Is there anything I can do to, "fix" the phone so I can have LTE?
Click to expand...
Click to collapse
Unfortunately not.. The T-Mobile CSC firmware is only available for the US models (G975U and G975U1).
G9750 is intended for South America, China and Hong Kong.
Although you only miss support for B71, so in theory LTE should work just fine since the G9750 supports other T-Mobile bands like Bands 2, 4 and 12.
Do you have another T-Mobile phone to test with to see if you get LTE in your area?

christmaslu said:
Nope, not in a rural area. I'm in LA county.
Click to expand...
Click to collapse
A new feature with the S10+ is that all the US carriers' firmware is embedded and automatically loaded up depending on the carrier SIM card inserted. What's the story on the SIM card you are using? I just swapped in the one from my Galaxy S7 and everything but carrier aggregation worked right out of the box (including WIFI calling, VoLTE and Samsung Pay). I suspect you may be able to fix this if you get a properly provisioned SIM.
---------- Post added at 05:16 AM ---------- Previous post was at 05:12 AM ----------
christmaslu said:
I had tried that yesterday, but got a, "Connection problem or invalid MMI code." I tried 77467 and I got the same error also.
Is there a setting I don't have enabled or need to change so I can use those codes?
Click to expand...
Click to collapse
Those codes don't work on mine either. *#0011# will let you see what 4G towers you are connecting to (run speed test app while you are looking). Signal spy or LTE discovery app are helpful too.

christmaslu said:
I had tried that yesterday, but got a, "Connection problem or invalid MMI code." I tried 77467 and I got the same error also.
Is there a setting I don't have enabled or need to change so I can use those codes?
Click to expand...
Click to collapse
I don't know, these codes were working fine for me. Try this, download the Google dialer apk (Google the Google dialer port) and then use the code *#*#4636*#*#. You'll have to set it up as your main dialer app and enable permissions. Then try to see if you can configure it like my phone.
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maybe need update your sim card?!

MeltdownSpectre said:
Unfortunately not.. The T-Mobile CSC firmware is only available for the US models (G975U and G975U1).
G9750 is intended for South America, China and Hong Kong.
Although you only miss support for B71, so in theory LTE should work just fine since the G9750 supports other T-Mobile bands like Bands 2, 4 and 12.
Do you have another T-Mobile phone to test with to see if you get LTE in your area?
Click to expand...
Click to collapse
floyddroyd said:
A new feature with the S10+ is that all the US carriers' firmware is embedded and automatically loaded up depending on the carrier SIM card inserted. What's the story on the SIM card you are using? I just swapped in the one from my Galaxy S7 and everything but carrier aggregation worked right out of the box (including WIFI calling, VoLTE and Samsung Pay). I suspect you may be able to fix this if you get a properly provisioned SIM.
---------- Post added at 05:16 AM ---------- Previous post was at 05:12 AM ----------
Those codes don't work on mine either. *#0011# will let you see what 4G towers you are connecting to (run speed test app while you are looking). Signal spy or LTE discovery app are helpful too.
Click to expand...
Click to collapse
I've actually been with T-Mobile for a very long time and this sim is the same one I used in my HTC-M8, Galaxy S7 and Galaxy S8 all of which had LTE, no problem.
I ran the Google speed test, and I'm consistently getting 10 - 15 MBPS. I'm not sure what it was before, but it's noticeably slower than my S8.
I will try getting the Google dialer and try a couple of the other codes mentioned. Thanks for all the suggestions thus far, everyone!
UPDATE:
Google Dialer didn't work either

Any update on this? I just bought a G975U1 unlocked, and my data seems to be very slow with exceptionally high latency. I was wondering if the problem was the lack of carrier aggregation, but that shouldn't cause high latency, should it? Any reason not to flash the carrier firmware? I'm a little confused on that, actually -- if the S10+ pre-loads the carrier firmware based on the sim, why wouldn't carrier aggregation be part of that?

gwbyrd said:
Any update on this? I just bought a G975U1 unlocked, and my data seems to be very slow with exceptionally high latency. I was wondering if the problem was the lack of carrier aggregation, but that shouldn't cause high latency, should it? Any reason not to flash the carrier firmware? I'm a little confused on that, actually -- if the S10+ pre-loads the carrier firmware based on the sim, why wouldn't carrier aggregation be part of that?
Click to expand...
Click to collapse
I don't think the current "U" firmware brand switches and downloads the carrier firmwares.
Sent from my SM-G975U using Tapatalk

I was unable to get my phone to work on bands 2 and 4. Anytime I connected to those two bands it never would work. Finally I had to send it in. It's a hardware problem (in my case)
Sent from my SM-G975U using Tapatalk

gwbyrd said:
Any update on this? I just bought a G975U1 unlocked, and my data seems to be very slow with exceptionally high latency. I was wondering if the problem was the lack of carrier aggregation, but that shouldn't cause high latency, should it? Any reason not to flash the carrier firmware? I'm a little confused on that, actually -- if the S10+ pre-loads the carrier firmware based on the sim, why wouldn't carrier aggregation be part of that?
Click to expand...
Click to collapse
I have the u1 and it has been working great on tmo, mostly bands 2, 4, and 12... With very acceptable speeds...

netengineer said:
I was unable to get my phone to work on bands 2 and 4. Anytime I connected to those two bands it never would work. Finally I had to send it in. It's a hardware problem (in my case)
Sent from my SM-G975U using Tapatalk
Click to expand...
Click to collapse
I know , I won't ask again [emoji6]
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Limeybastard said:
I know , I won't ask again [emoji6]
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Click to collapse
Lol, I will surely let you know when I get it back what they did to it.
I appreciate all the help you give in all the threads. I see you everywhere. [emoji23]
Sent from my SM-G975U using Tapatalk

netengineer said:
Lol, I will surely let you know when I get it back what they did to it.
I appreciate all the help you give in all the threads. I see you everywhere. [emoji23]
Sent from my SM-G975U using Tapatalk
Click to expand...
Click to collapse
No, I appreciate all the input you gave us.[emoji106]
Sent from my SM-G975U using Tapatalk

Related

Which model is preferable to take overseas?

I noticed the Verizon S3 has a mini-SIM port.. but why? I thought Verizon phones don't have SIM cards at all?
Also, is it true that the AT&T model doesn't have a SIM card port at all? How is it activated then?
Also, the T-mobile model apparently has calling-over-WiFi (uma). Does that only work on t-mobile's network or will it work overseas too?
The micro sim port is for Verizon lte. Tmobiles is also a micro sim, and I think you still have to be connected to Tmobiles network to use wifi calling. Don't know about att.
t-mobile sgs3 stock rom/rooted
PhrostB said:
I noticed the Verizon S3 has a mini-SIM port.. but why? I thought Verizon phones don't have SIM cards at all?
Also, is it true that the AT&T model doesn't have a SIM card port at all? How is it activated then?
Also, the T-mobile model apparently has calling-over-WiFi (uma). Does that only work on t-mobile's network or will it work overseas too?
Click to expand...
Click to collapse
AT&T version does have a mini sim slot right beside the SD Card. It's a spring loaded slot.
crystalstylez said:
AT&T version does have a mini sim slot right beside the SD Card. It's a spring loaded slot.
Click to expand...
Click to collapse
So which model is this?
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I believe that Verizon has stated that they will enable global roaming on the Galaxy S3 in the future, but I'm not sure on that.
PhrostB said:
So which model is this?
Click to expand...
Click to collapse
The one on the left is probably SPRINT, as they've been hard-embedding the LTE SIM card into the device to bastardize it (they're doing it with all phones).
The right is probably AT&T/TMO.
ExodusC said:
I believe that Verizon has stated that they will enable global roaming on the Galaxy S3 in the future, but I'm not sure on that.
Click to expand...
Click to collapse
Well, the internal chipset has GSM support. You wouldn't be able to change the SIM card, I believe. You'd be stuck on VZW's expensive international roaming plans.
But for global roaming it'd only support 800 Mhz and 1900 Mhz bands, unless Verizon had them add the extra hardware.
The AT&T version uses the same frequencies as the international version.
Side by side comparison i747 and i9300
I travel quite a bit outside of the US for work, and for international travel, your best bet is the ATT version since GSM will give you the most options outside of the North America. As mentioned, Verizon may be offering some limited compatibility, but you will be stuck to their plan, whereas the ATT version (esp if unlocked) will allow you to swap chips in other countries as desired.
I say ATT because band-wise it has the most international compatible ones, and the 2100 band will help in regions like Japan and Korea that don't use standard GSM.
TMo is probably the second choice, but because they use bands like 1700 that no one else really uses, you're still better off with ATT.
The CDMA versions would be the last ones (Verizon and Sprint) since their roaming will be limited.
This is assuming you are picking from the US versions - for Canadian models, just find the carrier that matches ATT (I believe Rogers is the closest).
I'm starting to think I should just get the international version.
PhrostB said:
I'm starting to think I should just get the international version.
Click to expand...
Click to collapse
Is your home base in the US? Are you on an LTE network? Not sure if international version works with LTE. One reason why we have a different processor in our US phones because of LTE. A South Korean model (international version) will have LTE support but I don't know if its available.
GSM is your best bet if you live in the US. ATT or TMo. Verizon's international roaming is quite expensive.
gingson said:
Is your home base in the US? Are you on an LTE network? Not sure if international version works with LTE. One reason why we have a different processor in our US phones because of LTE. A South Korean model (international version) will have LTE support but I don't know if its available.
GSM is your best bet if you live in the US. ATT or TMo. Verizon's international roaming is quite expensive.
Click to expand...
Click to collapse
I'm usually in Israel.. specifically in an army base in the desert.
PhrostB said:
I'm usually in Israel.. specifically in an army base in the desert.
Click to expand...
Click to collapse
I would go with the at&t one if you were to choose a us version. Personally if I had to pick I would just go with the international version if that where the case. I wanna see what the quadcore can do in a phone and personally I'm fine running hspa. I currently have no LTE were I'm at anyway. I have to drive like an hour to Baton Rouge for a taste lol.
By the way.... Tmobile wifi calling works anywhere there is wifi..
If you are overseas and you make a phone call back to the usa using wifi calling... Its free.. Its considered a usa to usa call....
Sent from my SGH-T989 using Tapatalk 2
clninja said:
By the way.... Tmobile wifi calling works anywhere there is wifi..
If you are overseas and you make a phone call back to the usa using wifi calling... Its free.. Its considered a usa to usa call....
Sent from my SGH-T989 using Tapatalk 2
Click to expand...
Click to collapse
Was just about to say this. I think you can also add an international long distance plan for a small fee (that way you can also call israeli numbers), which would make the phone work well anywhere you have wifi, then just get a prepaid sim to use while on the go. Just an idea tho.
I was only considering buying the phone here in the states and using it back home in israel with my regular carrier (Cellcom). Will the t-mobile S3 support calling-over-wifi even if I'm not on t-mobile's network?

Would this phone work on T-Mobile if sprint gave me an unlock code?

Would i be able to use this phone on T-Mobile here in the U.S? I've serached and haven't seen an answer to this question for u.s. networks. All I see is people asking if it'd work internationally.
I ask because this phone does have a sim card slot and in network settings there is an option for gsm/umts networks?
If so I would assume I'd need to flash tmobiles gs4 modem in order to use their service?
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Short answer....no.
troyboytn said:
Short answer....no.
Click to expand...
Click to collapse
Would be nice if you elaborated
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nemesis93 said:
Would be nice if you elaborated
Sent from my SPH-L720 using Tapatalk 2
Click to expand...
Click to collapse
Well, it is that simple, it wont work on T-Mobile or ATT. There is no way to have it unlocked for US domestic GSM carriers (other than some risky propositions of flashing it with TMO ROM which I would not recommend) .
No offense intended towards the op but I've seen so many posts of people thinking that just because it has a sim slot it can work on us gsm. The sim card is unique in that it is meant for information needed to run on sprint CDMA/LTE networks. The sim slot doesn't function like a gsm sim socket. If you want to use a phone on a gsm us network, then buy a bloody gsm phone!
nemesis93 said:
Would i be able to use this phone on T-Mobile here in the U.S? I've serached and haven't seen an answer to this question for u.s. networks. All I see is people asking if it'd work internationally.
I ask because this phone does have a sim card slot and in network settings there is an option for gsm/umts networks?
If so I would assume I'd need to flash tmobiles gs4 modem in order to use their service?
View attachment 2130603
Sent from my SPH-L720 using Tapatalk 2
Click to expand...
Click to collapse
No, it will not work on "domestic" GSM networks (T-Mobile/AT&T etc), Sprint has that disabled/locked out by default. They will unlock it for you (if you meet the necessary requirements) for use on overseas GSM networks or you can by default, roam on overseas networks and pay expensive international roaming rates.
Yes, the Sprint S4 is a dual mode CDMA/GSM handset and as such has a SIM slot. Just because it has a SIM slot doesn't mean it'll just accept any GSM SIM and voila it works. First, the SIM slot is there because it's an LTE device and they all require SIM cards for LTE authentication on the Sprint network.
It would have been easy (and more consumer friendly) for Sprint to have their S4 have a completely unlocked SIM slot but their incentive is to have you pay expensive international roaming rates when using it on GSM networks, hence they lock out domestic GSM networks.
What's the point of assuming you'd need to flash a T-Mobile modem (and potentially brick your phone)? If your intent is to be on T-Mobile, why not sell the Sprint S4 and get a T-Mobile S4? Why do people suffer themselves through all these palaver?
LordLugard said:
No, it will not work on "domestic" GSM networks (T-Mobile/AT&T etc), Sprint has that disabled/locked out by default. They will unlock it for you (if you meet the necessary requirements) for use on overseas GSM networks or you can by default, roam on overseas networks and pay expensive international roaming rates.
Yes, the Sprint S4 is a dual mode CDMA/GSM handset and as such has a SIM slot. Just because it has a SIM slot doesn't mean it'll just accept any GSM SIM and voila it works. First, the SIM slot is there because it's an LTE device and they all require SIM cards for LTE authentication on the Sprint network.
It would have been easy (and more consumer friendly) for Sprint to have their S4 have a completely unlocked SIM slot but their incentive is to have you pay expensive international roaming rates when using it on GSM networks, hence they lock out domestic GSM networks.
What's the point of assuming you'd need to flash a T-Mobile modem (and potentially brick your phone)? If your intent is to be on T-Mobile, why not sell the Sprint S4 and get a T-Mobile S4? Why do people suffer themselves through all these palaver?
Click to expand...
Click to collapse
It's a question because I obviously don't know so I ask for others input. I'm simply saying because the phone has a sim card slot AND it appears to be compatible with gsm networks so I ask if it would work in the US not internationally.
It's not always as simple as sell this phone and get myself a tmobile s4 because there is probability I won't be able to sell it.
I don't understand the people on this forum. Either answer the question or leave it alone and let the thread go down into the next page. Simple as that.
Thank you LordLugard for explaining despite that last part of your post. Otherwise I would've "thanked" you.
Sent from my SPH-L720 using Tapatalk 2
I'm working on this fixing this.. for science! No promises.
nemesis93 said:
It's a question because I obviously don't know so I ask for others input. I'm simply saying because the phone has a sim card slot AND it appears to be compatible with gsm networks so I ask if it would work in the US not internationally.
It's not always as simple as sell this phone and get me a tmobile s4 because there is a probability I won't be able to sell it.
I don't understand the people on this forum. Either answer the question or leave it alone and let the thread go down into the next page. Simple as that.
Thank you LordLugard for explaining despite that last part of your post. Otherwise I would've "thanked" you.
Sent from my SPH-L720 using Tapatalk 2
Click to expand...
Click to collapse
Whether you thank me or not is irrelevant. You had a question and I tried my best to answer/help as understandably as possible. This is what the forum is about.
---------- Post added at 10:38 PM ---------- Previous post was at 10:36 PM ----------
autoprime said:
I'm working on this fixing this.. for science! No promises.
Click to expand...
Click to collapse
Saw your post on twitter..!!! As usual, the resident Morpheus!!!
nemesis93 said:
It's a question because I obviously don't know so I ask for others input. I'm simply saying because the phone has a sim card slot AND it appears to be compatible with gsm networks so I ask if it would work in the US not internationally.
It's not always as simple as sell this phone and get myself a tmobile s4 because there is probability I won't be able to sell it.
I don't understand the people on this forum. Either answer the question or leave it alone and let the thread go down into the next page. Simple as that.
Thank you LordLugard for explaining despite that last part of your post. Otherwise I would've "thanked" you.
Sent from my SPH-L720 using Tapatalk 2
Click to expand...
Click to collapse
Not be able to sell one of the top phones right now? That's impossible. Craigslist it and you'll sell it in no time.
Stealyourface said:
Not be able to sell one of the top phones right now? That's impossible. Craigslist it and you'll sell it in no time.
Click to expand...
Click to collapse
Even Swappa, although people that use Swappa actually know about phones and what the current prices are.
Nice
autoprime said:
I'm working on this fixing this.. for science! No promises.
Click to expand...
Click to collapse
Sprint is cdma and is the only one that uses it....answer is NO.
According to the specs on the phone, the hardware is capable of running on Att or T-mobile network without 4g. It will just take time for someone to figure out how to unlock the phone's radio. It will be similar to rooting or unlocking the phone, pure software limitation, but it will take longer since there aren't that many developers looking in to it vs say rooting.
what makes it annoying right now is the inability to flash the modem partition through dd commands. doesn't stick after a reboot.
but yes.. this phone supports more GSM bands than the HTC One. ATT/TMO AWS bands and obviously LTE bands are not available. Might be able to hack in AWS support.. but no way on LTE.
LTE: Band 25;
CDMA 1x/EVDO Rev.A: 800/850/1900MHz;
HSPA+/UMTS: 850/900/1900/2100MHz;
GSM: 850/900/1800/1900MHz
autoprime said:
what makes it annoying right now is the inability to flash the modem partition through dd commands. doesn't stick after a reboot.
but yes.. this phone supports more GSM bands than the HTC One. ATT/TMO AWS bands and obviously LTE bands are not available. Might be able to hack in AWS support.. but no way on LTE.
LTE: Band 25;
CDMA 1x/EVDO Rev.A: 800/850/1900MHz;
HSPA+/UMTS: 850/900/1900/2100MHz;
GSM: 850/900/1800/1900MHz
Click to expand...
Click to collapse
If you find out how to unlock it, i will find you, and I will kiss you, and i'm a guy >_>
edit: A very very straight guy.
Brandonxcore said:
If you find out how to unlock it, i will find you, and I will kiss you, and i'm a guy >_>
edit: A very very straight guy.
Click to expand...
Click to collapse
Sent from my SPH-L720 using xda premium
devoureddreams said:
Sent from my SPH-L720 using xda premium
Click to expand...
Click to collapse
Nothing weird about guys kissing. I've kissed another guy(s) before....hmmmm...my dad and brother...haha..
Note that even if you were able to get the device to work on T-Mobile, while you would get 2G just about everywhere, you will only get 3G in areas that have been "re-farmed" and you will not get get LTE at all since the device densest support the AWS band.
it will work
http://forum.xda-developers.com/showthread.php?t=2530610
Tested works great no lte but i do have h+

Huawei P8Max T-Mobile Frequencies?

Huawei P8Max supports these frequencies:
mobile network 2G: GSM 850/900/1800 / 1900MHz 3G: WCDMA 850/900/1900 / 2100MHz 4G: FDD LTE1800 / 2100 / 2600MHz (band: B3 / B1 / B7)
I live in Minneapolis/St. Paul. Will I get LTE? I read that T-Mobile LTE frequency is 1700/2100. According to the stats above, 2100 is listed.
Thank you!
That phone will not work well with T-mobile USA LTE. For best performance you want (bands) B2/B4/B12. From what you posted, it doesn't look like that would even work with some of T-mobile USA's HSPA which is also 1700/2100. It would only work with the 1900Mhz HSPA, which is quite a limitation in my opinion. Sorry!
If anyone has imported this phone and tried it with T-Mobile service - please post feedback here. Like the OP, very interested to know if the phone will get 4G service, or if there is anything that can be done to unlock T-Mo LTE bands in the firmware
If anyone has imported this phone can you please tell me what USA providers support this phone. Would one have better performance than another? I don't know much about the technical aspects of cell phones and am getting so frustrated trying to find a provider! Thanks for your time!
Sent from my SCH-I605 using Tapatalk
VillaRegina said:
If anyone has imported this phone can you please tell me what USA providers support this phone. Would one have better performance than another? I don't know much about the technical aspects of cell phones and am getting so frustrated trying to find a provider! Thanks for your time!
Sent from my SCH-I605 using Tapatalk
Click to expand...
Click to collapse
Store admin from honormi.com told me Sprint in US support P8Max LTE frequencies for the version they sell. Don't know if what he said is true and I'm certain neither of the GSM providers AT&T/T-Mobile support P8Max's LTE bands.
Apo11on said:
Store admin from honormi.com told me Sprint in US support P8Max LTE frequencies for the version they sell. Don't know if what he said is true and I'm certain neither of the GSM providers AT&T/T-Mobile support P8Max's LTE bands.
Click to expand...
Click to collapse
Hhhhmmmmm. I have been researching both the P8MAX and the MEDIAPAD X2 for a long time now. (Because I am not a good technical person). I am going to try to check the 701L, 702L and 703L on the website willmyphonework.NET to see if that website (highly recommended to me) agrees. I checked GSM carriers and there was no LTE support... I will try Sprint! Thanks!
Sent from my SCH-I605 using Tapatalk
---------- Post added at 03:19 PM ---------- Previous post was at 03:01 PM ----------
WOW! Willmyphonework.NET DOES say that the 703L (they don't have the 701L or the 702L listed) is LTE supported by Sprint USA. I just can't believe it! I have been researching both the P8MAX and the MEDIAPAD X2 for HOURS (on a daily basis) because I am not a phone expert. I cannot believe that not even ONE person piped up to say that their P8MAX was LTE supported on Sprint! You have now given me something else to obsessively research! Lol!
Sent from my SCH-I605 using Tapatalk
U cannot unlock other LTE bands in phone if they don't exist. Hspa+ only on T-Mobile and only 1 band LTE for sprint
xxfirerican said:
U cannot unlock other LTE bands in phone if they don't exist. Hspa+ only on T-Mobile and only 1 band LTE for sprint
Click to expand...
Click to collapse
Hi xxfirerican,
I'm not sure you're right on that one.
There has already been quite some info (even apps) on how to unlock additional LTE bands on Qualcomm powered devices. Look here on XDA
Now even reports come in on Exynos devices (SGS6) being put into Diag Mode and adding LTE bands. Link to be found here on XDA. This being possible because lot of other chipmakers do use the Qualcomm modem patent and/or chip.
Now the question is, does this work for Kirin setup too...
I've been looking all around, but still haven't found any reference on the modem being used on the Kirin 935 chipset / P8 Max.
Could someone shed some light on this?
***EDIT***
I tried the ##366633# / ##DMMODE# code on my daughters unrooted P8 (she won't let me root it...) and got some reaction indeed, which might suggest that this code could work on rooted phone with Kirin chipset.
Could someone with a rooted phone confirm this?
Kind regards,
Got my p8 max cannot get it to get internet on T-Mobile. Texting works, contact sync works but no internet so many apn settings out there not sure what is correct
xxfirerican said:
Got my p8 max cannot get it to get internet on T-Mobile. Texting works, contact sync works but no internet so many apn settings out there not sure what is correct
Click to expand...
Click to collapse
I've been using my P8max since the end of July on Lycamoblie, a T-Mobile MVNO, and I have internet access, albeit, extremely slow 3g/2g access. I'm on WiFI 90% of the time so I'm ok with this. I knew this when I bought the phone so no surprises for me but I wonder why you're not able to get any internet on your phone. That worries me a little if I ever decide to switch from Lycamobile, will I have issues too...
Hi there,
Given the recently announced Mate S' chipset specifications which are almost identitcal to P8 Max, it would be exciting to see if we could port the modem files to the P8 Max and obtaining a far wider LTE compatibility.
Should be possible, wouldn't it?
Regards,
Has anyone tried buying sprint data or boost data only?
desertflyer said:
That phone will not work well with T-mobile USA LTE. For best performance you want (bands) B2/B4/B12. From what you posted, it doesn't look like that would even work with some of T-mobile USA's HSPA which is also 1700/2100. It would only work with the 1900Mhz HSPA, which is quite a limitation in my opinion. Sorry!
Click to expand...
Click to collapse
QUESTION,THESE PHONES HAVE DUAL SIM....if one goes to willmyphonework.net it tells u that the p8max and honor x2 will only receive 4g LTE signal via sprint and boost mobile,but the 2g and 3g wont work. So, can I buy a ten dollar data plan and use it with my ATT in my dual sim tray?
I've got the P8 Max 701L and I'm not getting LTE in the status bar but check out my speeds. The first pic is with Cricket Wireless service, the second is with MetroPCS, both GSM carriers.
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Sent from my HUAWEI P8max using XDA-Developers mobile app
Eh, I'm using it without issue on T-Mobile.
Has some issues with buffering 1080p youtube video in lower signal areas though.
kingkea said:
Eh, I'm using it without issue on T-Mobile.
Has some issues with buffering 1080p youtube video in lower signal areas though.
Click to expand...
Click to collapse
Hey do you mind posting your APN settings? I'm with metropcs and I'm told I can use T-mobile towers now. A screenshot would suffice. Thanks
Ideas4ya said:
Hey do you mind posting your APN settings? I'm with metropcs and I'm told I can use T-mobile towers now. A screenshot would suffice. Thanks
Click to expand...
Click to collapse
Sent from my HUAWEI P8max using XDA-Developers mobile app
kingkea said:
Sent from my HUAWEI P8max using XDA-Developers mobile app
Click to expand...
Click to collapse
which version is this 703 or 701
TexasBlack said:
which version is this 703 or 701
Click to expand...
Click to collapse
701
Sent from my HUAWEI P8max using XDA-Developers mobile app
kingkea said:
701
Sent from my HUAWEI P8max using XDA-Developers mobile app
Click to expand...
Click to collapse
Perfect I've been on edge since i got the phone back in Jan. Ive searched to the ends of the earth for the correct apn settings. Thank you again.
LTE working with settings?
TexasBlack said:
Perfect I've been on edge since i got the phone back in Jan. Ive searched to the ends of the earth for the correct apn settings. Thank you again.
Click to expand...
Click to collapse
Did the settings provide LTE internet speeds?
I am looking into getting the device but am apprehensive because of the LTE connectivity issue that several people have mentioned, but others have denied. Locally, tmobile towers only provide LTE, edge does not connect to the internet at all.
Thanks

Unlocked HTC 10 on Verizon?

According to the HTC website the HTC 10 has all the bands necessary for Verizon including CDMA. Does anyone know if it will work on Verizon?
.
Network4
2G/2.5G - GSM/GPRS/EDGE, 850/900/1800/1900 MHz, CDMA: 800/1900 with EVDO Rev A, 3G UMTS, 850/AWS/900/1900/2100 MHz, 4G LTE (up to 450Mbps), FDD: Bands 1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 28, 29, 30, Support Cat 9 LTE, download up to 450 Mbps, upload up to 50 Mbps
Click to expand...
Click to collapse
I'm wondering the same thing.
adam3914 said:
According to the HTC website the HTC 10 has all the bands necessary for Verizon including CDMA. Does anyone know if it will work on Verizon?
.
Click to expand...
Click to collapse
I suspect it will indeed work on VZW, all 3 models have the same modelid (ATT, TMO, VZW)...
Jeff Gordon pretty much confirmed it...https://twitter.com/urbanstrata/status/719949958166786048?s=15
I see it as the same situation as the 6P. Verizon didnt "officially certify" it for their network, but since it had the correct bands it worked with an already activated sim card.
I preordered an unlocked HTC 10 and plan on popping in my 6p VZW sim card.
Now does it matter that HTC site lists the 850 frequency (which verizon uses for their 3g) under 2G/2.5G - GSM/GPRS/EDGE?
I am wondering the same my friend..it will be a must buy it so and I can use it on any carrier at anytime! It's probably too good to be true though all of ever heard is how Verizon is very strict on what phones they will let on their network ? If I have to get the Verizon version, then I will have to wait on bootloader unlock before purchase Crossing fingers
MoNsTeReNeRgY22, Post back once you get the phone and pop in your sim.... The sim from my iPhone 6Plus should work to I would guess?
Verizon is less strict than you think. They're picky about the phones they certify and sell, but if a phone has the right radios, you can usually get it to work on V by just inserting a pre-activated SIM.
I've heard a rumor that Verizon will be getting an exclusive launch ahead of the US competition with this phone. It'd be nice if the unlocked model is the same. Perhaps they'll put some software locking that we can easily circumnavigate? Being able to travel with my M8 and pop in a local GSM SIM has been a huge benefit.
So it's not looking good. Android Police in their quick write up tried a already activated VZW sim and it was a no go.
http://imgur.com/EHIZh9f
MoNsTeReNeRgY22 said:
So it's not looking good. Android Police in their quick write up tried a already activated VZW sim and it was a no go.
http://imgur.com/EHIZh9f
Click to expand...
Click to collapse
Not good.
Just got a twitter response from Mo Versi who works at HTC, and I quote "NO, You will have to purchase directly from Verizon or Sprint. Thanks" Not sure if this is the be all end all, but it doesn't help!? Perhaps Verizon is telling them to say this so we buy from carrier?? Or maybe we are just screwed
awareunlikeu said:
Just got a twitter response from Mo Versi who works at HTC, and I quote "NO, You will have to purchase directly from Verizon or Sprint. Thanks" Not sure if this is the be all end all, but it doesn't help!? Perhaps Verizon is telling them to say this so we buy from carrier?? Or maybe we are just screwed
Click to expand...
Click to collapse
Verizon did just implement that new upgrade fee if you buy from them. Sneaky, sneaky.
MoNsTeReNeRgY22 said:
So it's not looking good. Android Police in their quick write up tried a already activated VZW sim and it was a no go.
http://imgur.com/EHIZh9f
Click to expand...
Click to collapse
I've experienced this on cracking the Chinanet LTE of Verizon M9. The LTE signal just show up and disappeared in a moment.
But at last I solved it by adding MCC in EFS explore.
awareunlikeu said:
Just got a twitter response from Mo Versi who works at HTC, and I quote "NO, You will have to purchase directly from Verizon or Sprint. Thanks" Not sure if this is the be all end all, but it doesn't help!? Perhaps Verizon is telling them to say this so we buy from carrier?? Or maybe we are just screwed
Click to expand...
Click to collapse
Since they are releasing an actual Verizon variant, I dont see you getting any other answer out of him than that.
jchq said:
I've experienced this on cracking the Chinanet LTE of Verizon M9. The LTE signal just show up and disappeared in a moment.
But at last I solved it by adding MCC in EFS explore.
Click to expand...
Click to collapse
Can you elaborate on what you mean by adding MCC in EFS explore?
MoNsTeReNeRgY22 said:
Since they are releasing an actual Verizon variant, I dont see you getting any other answer out of him than that.
Can you elaborate on what you mean by adding MCC in EFS explore?
Click to expand...
Click to collapse
\
Yeah I suspect so, If it does indeed work on Verizon, Im sure Verizon dosent want them advertising it. My only fear is when I receive it, it does work, but if I am out of ranfe for LTE and it has to drop down to 3G, will it work.. I guess we shall see!? I did see that HTC has a 14 day return policy. If I cant get it to work in the 14 days, then I will just wait for a bootloader unlock for the Verizon model. Anyone thats up to date and knows the 3G and LTE bads real well? Does this unlocked edition have all the necessary bands for both 3G and LTE, on VZW? I know a bit, but dont know them all.
awareunlikeu said:
\
Yeah I suspect so, If it does indeed work on Verizon, Im sure Verizon dosent want them advertising it. My only fear is when I receive it, it does work, but if I am out of ranfe for LTE and it has to drop down to 3G, will it work.. I guess we shall see!? I did see that HTC has a 14 day return policy. If I cant get it to work in the 14 days, then I will just wait for a bootloader unlock for the Verizon model. Anyone thats up to date and knows the 3G and LTE bads real well? Does this unlocked edition have all the necessary bands for both 3G and LTE, on VZW? I know a bit, but dont know them all.
Click to expand...
Click to collapse
Yup agreed and I think its actually a 30 day return policy. See HTC.com America store by Digital River refund policy
And according to Wireless Carrier Cheat Sheet, the unlocked version supports Verizon CDMA ( CDMA: 800/1900 with EVDO Rev A). I screenshotted the supported bands of the unlocked HTC 10, the VZW HTC M9 and and VZW LG G5. All support the same bands (CDMA included). I circled the same CDMA bands for reference (Ignore my crude paint skills).
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MoNsTeReNeRgY22 said:
Yup agreed and I think its actually a 30 day return policy. See HTC.com America store by Digital River refund policy
And according to Wireless Carrier Cheat Sheet, the unlocked version supports Verizon CDMA ( CDMA: 800/1900 with EVDO Rev A). I screenshotted the supported bands of the unlocked HTC 10, the VZW HTC M9 and and VZW LG G5. All support the same bands (CDMA included). I circled the same CDMA bands for reference (Ignore my crude paint skills).
Click to expand...
Click to collapse
A guy linked this to me: http://www.gsmarena.com/htc_10_goes_by_fcc_ahead_of_announcement-news-17569.php
It shows 2 separate models 2PS6200 and 2PS6500
Hopefully this is not one of them being GSM, and the other being the CDMA model?
awareunlikeu said:
A guy linked this to me: http://www.gsmarena.com/htc_10_goes_by_fcc_ahead_of_announcement-news-17569.php
It shows 2 separate models 2PS6200 and 2PS6500
Hopefully this is not one of them being GSM, and the other being the CDMA model?
Click to expand...
Click to collapse
Even if there are separate models, does it matter since the tech specs for the unlocked variant list all the bands we need anyways?
MoNsTeReNeRgY22 said:
Even if there are separate models, does it matter since the tech specs for the unlocked variant list all the bands we need anyways?
Click to expand...
Click to collapse
Yeah thats the way it certainly seems. Someone pointed out though that it could be showing the bands for both models as a whole.... It does not sound convincing, but something to think about.
awareunlikeu said:
A guy linked this to me: http://www.gsmarena.com/htc_10_goes_by_fcc_ahead_of_announcement-news-17569.php
It shows 2 separate models 2PS6200 and 2PS6500
Hopefully this is not one of them being GSM, and the other being the CDMA model?
Click to expand...
Click to collapse
2PS620000 is for Europe, that article may be wrong about it hitting the FCC...doesn't make sense
2PS650000 is for US GSM (ATT & TMO) & VZW
Sprint will have a different modelid...
OMJ said:
2PS620000 is for Europe, that article may be wrong about it hitting the FCC...doesn't make sense
2PS650000 is for US GSM (ATT & TMO) & VZW
Sprint will have a different modelid...
Click to expand...
Click to collapse
TASTY!
Read the whole thread and it looks like the unlocked HTC 10 might work on Verizon. Great news. I DON'T WANT VERIZON BRANDED DEVICE EVER AGAIN. I looked at the specs on the website and saw LTE bands 3,4,13 which is what Verizon uses AFAIK. Someone correct me if I'm wrong.
Whoever ordered the device please update us as soon as you get your device.
Thank you
Sent from my XT1575 using XDA-Developers mobile app

Don't reward TMo - get a 955F !

For those of you that have not gotten a 935T - don't ! If you must have a S8+, get a 955f
I wasted time with a TMo 935T, and got tired of the TMo run-around and the limited options even AFTER it was rooted. My 935f gets TMo bands 2,4, and 12, and I have WiFi and VoLTE - and am not looking back. Will never buy another TMo branded device again.
As for a 955+, I will live with a S8+ port for now - don't see enough in the new device to justify getting one at this point. Plus - with Duelboot, I have 2 other ROMs up, and don't know if duelboot will handle the S8 and S8+ anytime soon.
gaww said:
For those of you that have not gotten a 935T - don't ! If you must have a S8+, get a 955f
I wasted time with a TMo 935T, and got tired of the TMo run-around and the limited options even AFTER it was rooted. My 935f gets TMo bands 2,4, and 12, and I have WiFi and VoLTE - and am not looking back. Will never buy another TMo branded device again.
As for a 955+, I will live with a S8+ port for now - don't see enough in the new device to justify getting one at this point. Plus - with Duelboot, I have 2 other ROMs up, and don't know if duelboot will handle the S8 and S8+ anytime soon.
Click to expand...
Click to collapse
You have interest free leasing to get one??
Sent from my SM-G955U using Tapatalk
gaww said:
For those of you that have not gotten a 935T - don't ! If you must have a S8+, get a 955f
I wasted time with a TMo 935T, and got tired of the TMo run-around and the limited options even AFTER it was rooted. My 935f gets TMo bands 2,4, and 12, and I have WiFi and VoLTE - and am not looking back. Will never buy another TMo branded device again.
As for a 955+, I will live with a S8+ port for now - don't see enough in the new device to justify getting one at this point. Plus - with Duelboot, I have 2 other ROMs up, and don't know if duelboot will handle the S8 and S8+ anytime soon.
Click to expand...
Click to collapse
I totally agree with you about the F model but not everyone has $800-1000 laying around to buy a phone out right. That's why most people go with carrier branded phones, so they can make small monthly payments and have a premium flagship every year.
Sent from my SM-G955U using XDA-Developers Legacy app
Thus far, to my knowledge, there isn't an unlocked snapdragon variant out yet and emulation on the snapdragon is far superior than the exynos. Thus I don't mind getting a T-Mobile (my current carrier) variant since samsung did an excellent job with most of the software in my opinion and most modifications I used to use a custom ROM for are present. Just another perspective.
Quickvic30 said:
I totally agree with you about the F model but not everyone has $800-1000 laying around to buy a phone out right. That's why most people go with carrier branded phones, so they can make small monthly payments and have a premium flagship every year.
Sent from my SM-G955U using XDA-Developers Legacy app
Click to expand...
Click to collapse
That is what credit cards are for - unless you are maxed out. Then you should not be buying things you don't really need - lol.
PS - saw one on eBay $34/month.
If you are happy with shock ROMs and modifications, then stay stock. But there ware many who got the 935T, and were very unhappy about the locked bootloader. they are the ones who should go this route.
You still miss the wifi calling feature. The simple way around that is probably setting up Google voice and have the phone calls forwarded to Hangout in case you have wifi.
Sent from my FRD-L04 using Tapatalk
twe90kid said:
You still miss the wifi calling feature. The simple way around that is probably setting up Google voice and have the phone calls forwarded to Hangout in case you have wifi.
Sent from my FRD-L04 using Tapatalk
Click to expand...
Click to collapse
True! With T-Mobile you defiantly need Wifi-Calling as their service sucks. At my home sometimes calls don't come through or go out without wifi calling.
I only switched originally for the unlimited data that I could use outside the house and for bootloaders being unlockable. But now, everybody has unlimited data, and everybody has locked bootloaders. Maybe its time to go back to the King of cellular service, Verizon.
Sent from my SM-G955U using Tapatalk
I have Wi-Fi working on all S7 ROMs. I believe they will have it soon on S8.
Basically just flash the correct CSC and it works.
Sent from my SM-G955F using XDA-Developers Legacy app
MicroMod777 said:
You have interest free leasing to get one??
Sent from my SM-G955U using Tapatalk
Click to expand...
Click to collapse
Until Samsung US has a program like TMO JoD, I stay with TMO. Do that and Samsung will have my money going forward.
MicroMod777 said:
True! With T-Mobile you defiantly need Wifi-Calling as their service sucks. At my home sometimes calls don't come through or go out without wifi calling.
I only switched originally for the unlimited data that I could use outside the house and for bootloaders being unlockable. But now, everybody has unlimited data, and everybody has locked bootloaders. Maybe its time to go back to the King of cellular service, Verizon.
Sent from my SM-G955U using Tapatalk
Click to expand...
Click to collapse
Have fun with that lol... Since TMO has forced everyone else to go Unlimited all of their networks have been getting hammered hard because their technology can't handle it... TMO's can and they just bought up a ton of spectrum and are working on REAL 5G, not the fake 5G that Verizon and AT&T is trying to sell to people. Just take a look at this... https://www.facebook.com/JohnJLegere/videos/1672156373089908/
If it don't have wifi calling it is useless. It the main reason I came over to T-Mobile years ago. To many dead spots and zones. With wifi calling makes all the difference in the world. Us when I break it TMobile takes it back and gives me a fresh one to break lol.
BACARDILIMON said:
If it don't have wifi calling it is useless. It the main reason I came over to T-Mobile years ago. To many dead spots and zones. With wifi calling makes all the difference in the world. Us when I break it TMobile takes it back and gives me a fresh one to break lol.
Click to expand...
Click to collapse
As I said, I have Wi-Fi calling on s7e international roms. It is being worked on for s8 and I would expect it to happen soon.
Update - it is here now:
https://forum.xda-developers.com/ga...ility-flashable-csc-selection-v1-0-0-t3605264
Sent from my SM-G955F using XDA-Developers Legacy app
gaww said:
As I said, I have Wi-Fi calling on s7e international roms. It is being worked on for s8 and I would expect it to happen soon.
Update - it is here now:
https://forum.xda-developers.com/ga...ility-flashable-csc-selection-v1-0-0-t3605264
Sent from my SM-G955F using XDA-Developers Legacy app
Click to expand...
Click to collapse
WiFi calling at least for t mobile is a kernel feature. Simply flashing a csc does not make it work. I have the international rom on my phone and I cannot get the WiFi calling to work no matter what. You can search through the link you posted to see no one could actually get the WiFi calling to work for the mobile. Unless you post a screen shot of your international phone showing that the WiFi calling actually works on the mobile network.
Actually the comments on ATT and Vz regarding 5g are inaccurate. ATT for example had been working with Samsung directly in testing New 5g technologies in certain cities....no bull****
If I buy the 955F and use on tmobile what works out of the box? Does VoLTE work and band 12?
Nexii5 said:
If I buy the 955F and use on tmobile what works out of the box? Does VoLTE work and band 12?
Click to expand...
Click to collapse
According to what someone posted yesterday in the damaging thread. U can Odin flash another ver that has volte and WiFi calling and it worked. I was gonna do the same by buying a F brand, but it's messes up, where r u gonna bring it doe warranty, I think it is not in the USA. I just bought one on eBay 8+ T-Mobile brand..
Sent from my SM-N910T using XDA-Developers Legacy app
mdiaz33685 said:
According to what someone posted yesterday in the damaging thread. U can Odin flash another ver that has volte and WiFi calling and it worked. I was gonna do the same by buying a F brand, but it's messes up, where r u gonna bring it doe warranty, I think it is not in the USA. I just bought one on eBay 8+ T-Mobile brand..
Sent from my SM-N910T using XDA-Developers Legacy app
Click to expand...
Click to collapse
Yeah I ended up not risking it. I picked up the Verizon S8+ through the deal on Samsung ($250 off with any trade in). I flashed the unlocked firmware yesterday and everything is working on T-Mobile.
najoor said:
WiFi calling at least for t mobile is a kernel feature. Simply flashing a csc does not make it work. I have the international rom on my phone and I cannot get the WiFi calling to work no matter what. You can search through the link you posted to see no one could actually get the WiFi calling to work for the mobile. Unless you post a screen shot of your international phone showing that the WiFi calling actually works on the mobile network.
Click to expand...
Click to collapse
Forgot about this, but getting WiFi calling to work on international 935F is pretty universal. Did it first by flashing TMB CSC on King ROMs, and later on Echoe - no problems.
Only problem so far is with S8 Ports - WiFi calling works, but calls to other phones on the same network on LTE disconnect when answered - NO ONE has been able to get by this.
najoor said:
WiFi calling at least for t mobile is a kernel feature. Simply flashing a csc does not make it work. I have the international rom on my phone and I cannot get the WiFi calling to work no matter what. You can search through the link you posted to see no one could actually get the WiFi calling to work for the mobile. Unless you post a screen shot of your international phone showing that the WiFi calling actually works on the mobile network.
Click to expand...
Click to collapse
Forgot about this, but getting WiFi calling to work on international 935F is pretty universal. Did it first by flashing TMB CSC on King ROMs, and later on Echoe - no problems. The first screenshot is before flashing CSC. The next 2 are after.
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Only problem so far is with S8 Ports - WiFi calling works, but calls to other phones on the same network on LTE disconnect when answered - NO ONE has been able to get by this.
gaww said:
For those of you that have not gotten a 935T - don't ! If you must have a S8+, get a 955f
I wasted time with a TMo 935T, and got tired of the TMo run-around and the limited options even AFTER it was rooted. My 935f gets TMo bands 2,4, and 12, and I have WiFi and VoLTE - and am not looking back. Will never buy another TMo branded device again.
As for a 955+, I will live with a S8+ port for now - don't see enough in the new device to justify getting one at this point. Plus - with Duelboot, I have 2 other ROMs up, and don't know if duelboot will handle the S8 and S8+ anytime soon.
Click to expand...
Click to collapse
My wife is now stuck with it for 2 years. Was that a typo or did u have the tmobile version rooted?

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