Database Users

Current Ascent Mate 7 is not US-carrier compatible, a new model being release will be

My apologies for the multiple threads. If the moderators see the other one, please delete it.
i spent part of tonight emailing back and forth with Huawei's customer support. You would have to scroll through the public emails I posted and their public responses. What I don't get is why NO reporter NO journalist NO ONE in tech thought to ask Huawei straight out if there is ANOTHER model coming out for the US market? NOTHING I've read talked abou it, so, I asked them, and they responded:
The current model is NOT US-carrier compatible for the following reasons (quoted from their email response):
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 specification is the same, but the 4G frequency is not the same, it support 4G LTE FDD Band 1/2/3/4/5/7/8/20/28(Aphase), It will be released in the United States.
I went on to ask them when the US-compatible version would be available and they said the following:
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 have a version can work in the United States, but there is no release.

sanjsrik said:
My apologies for the multiple threads. If the moderators see the other one, please delete it.
i spent part of tonight emailing back and forth with Huawei's customer support. You would have to scroll through the public emails I posted and their public responses. What I don't get is why NO reporter NO journalist NO ONE in tech thought to ask Huawei straight out if there is ANOTHER model coming out for the US market? NOTHING I've read talked abou it, so, I asked them, and they responded:
The current model is NOT US-carrier compatible for the following reasons (quoted from their email response):
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 specification is the same, but the 4G frequency is not the same, it support 4G LTE FDD Band 1/2/3/4/5/7/8/20/28(Aphase), It will be released in the United States.
I went on to ask them when the US-compatible version would be available and they said the following:
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 have a version can work in the United States, but there is no release.
Click to expand...
Click to collapse
But with all those LTE frequencies, doesn't it kind of have to be compatible? AT&T uses band 2, 4 and 17 so this phone should work on AT&T LTE since it supports band 4.

YourManAdrian said:
But with all those LTE frequencies, doesn't it kind of have to be compatible? AT&T uses band 2, 4 and 17 so this phone should work on AT&T LTE since it supports band 4.
Click to expand...
Click to collapse
Buy one and find out. I'd like to know.

So wait - Not LTE compatible, but will work on HSPA?
sanjsrik said:
My apologies for the multiple threads. If the moderators see the other one, please delete it.
i spent part of tonight emailing back and forth with Huawei's customer support. You would have to scroll through the public emails I posted and their public responses. What I don't get is why NO reporter NO journalist NO ONE in tech thought to ask Huawei straight out if there is ANOTHER model coming out for the US market? NOTHING I've read talked abou it, so, I asked them, and they responded:
The current model is NOT US-carrier compatible for the following reasons (quoted from their email response):
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 specification is the same, but the 4G frequency is not the same, it support 4G LTE FDD Band 1/2/3/4/5/7/8/20/28(Aphase), It will be released in the United States.
I went on to ask them when the US-compatible version would be available and they said the following:
Huawei Mobile
Thank you for your mail.
Huawei Ascend Mate7 have a version can work in the United States, but there is no release.
Click to expand...
Click to collapse
Will it work on AT&T in the US - I'm ok if it's not LTE as HSPA pretty fast/reliable.

destardi001 said:
Will it work on AT&T in the US - I'm ok if it's not LTE as HSPA pretty fast/reliable.
Click to expand...
Click to collapse
Yeah it's confirmed to work with att without lte. Tmobile works with LTE

confirmed to with T-Mobile how?
10pmStalker said:
Yeah it's confirmed to work with att without lte. Tmobile works with LTE
Click to expand...
Click to collapse
Sorry, I'm a bit confused. From Huawei, I got that it isn't compatible with any US-carrier's networks, how is it working with T-Mobile's LTE network? How was that confirmed that it will work with T-Mobile's LTE? Just curious what you mean here?
Thanks in advance.

sanjsrik said:
Sorry, I'm a bit confused. From Huawei, I got that it isn't compatible with any US-carrier's networks, how is it working with T-Mobile's LTE network? How was that confirmed that it will work with T-Mobile's LTE? Just curious what you mean here?
Thanks in advance.
Click to expand...
Click to collapse
http://youtu.be/vnCR3G0b8oI?t=41m5s
Sorry that was supposed to start around 40 minutes.

thank you
10pmStalker said:
http://youtu.be/vnCR3G0b8oI?t=41m5s
Sorry that was supposed to start around 40 minutes.
Click to expand...
Click to collapse
Thanks for the youtube link. I think I'm going to wait until I know that it is supportrd by T-mobile's LTE network. He states in the video that he put a T-mobile SIM in therr and it worked fine, just want to double-check with Huawei and see what they say. It's a lot of money for a new devuce, just want to be sure.
Thank you for the link.

sanjsrik said:
Thanks for the youtube link. I think I'm going to wait until I know that it is supportrd by T-mobile's LTE network. He states in the video that he put a T-mobile SIM in therr and it worked fine, just want to double-check with Huawei and see what they say. It's a lot of money for a new devuce, just want to be sure.
Thank you for the link.
Click to expand...
Click to collapse
Don't waste your time ask Huawei service team.. They doesnt know the phone much than you.
There is 2GB+16GB ROM version FDD-LTE band: B1/B3 1800MHz/2100MHz
3GB RAM+32GB ROM version FDD-LTE band: B1/B3/B7 1800MHz/2100MHz/2600MHz
T-Mobile FDD-LTE: 1700/2100 ?
There are only B1/B3/B7 now because the MIIT(Ministry of Industry and Information Technology,Chinese Telecom manage department) limited.
You will enjoy more bands after un-limited-- Need 2-3 months since Chinese FDD-LTE marketing develop slowly.
Yes, Need flash NEW ROM un-limited then.

xjarl said:
Don't waste your time ask Huawei service team.. They doesnt know the phone much than you.
There is 2GB+16GB ROM version FDD-LTE band: B1/B3 1800MHz/2100MHz
3GB RAM+32GB ROM version FDD-LTE band: B1/B3/B7 1800MHz/2100MHz/2600MHz
T-Mobile FDD-LTE: 1700/2100 ?
There are only B1/B3/B7 now because the MIIT(Ministry of Industry and Information Technology,Chinese Telecom manage department) limited.
You will enjoy more bands after un-limited-- Need 2-3 months since Chinese FDD-LTE marketing develop slowly.
Yes, Need flash NEW ROM un-limited then.
Click to expand...
Click to collapse
This still doesn't answer the question as to why the hell the Mate 7 works on T-Mobile LTE (at least according to the guy that reviewed it in the video). Huawei says it doesn't, your spec images say it doesn't, but it does?
What a **** show.

Poi25 said:
This still doesn't answer the question as to why the hell the Mate 7 works on T-Mobile LTE (at least according to the guy that reviewed it in the video). Huawei says it doesn't, your spec images say it doesn't, but it does?
What a **** show.
Click to expand...
Click to collapse
If the T-mobile LTE band is 2100MHz, works no problem.
You will unlock the band after NEW ROM released out.
---------- Post added at 03:38 PM ---------- Previous post was at 03:36 PM ----------
Poi25 said:
This still doesn't answer the question as to why the hell the Mate 7 works on T-Mobile LTE (at least according to the guy that reviewed it in the video). Huawei says it doesn't, your spec images say it doesn't, but it does?
What a **** show.
Click to expand...
Click to collapse
T-Mobile LTE Band is 1700/2100MHz

xjarl said:
T-Mobile LTE Band is 1700/2100MHz
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Click to collapse
And you need 1 band or the other, but not both? Isn't it depending on area?

Poi25 said:
And you need 1 band or the other, but not both? Isn't it depending on area?
Click to expand...
Click to collapse
Im wrong. Sorry.
You need Both 1700/2100MHz support the same time then 4G available.
Here it is a document of T-mobile about Network band:
http://support.t-mobile.com/docs/DOC-6991

Are you saying all it needs is a software update later on to support LTE on more US carriers?

xjarl said:
Im wrong. Sorry.
You need Both 1700/2100MHz support the same time then 4G available.]
Click to expand...
Click to collapse
So once again, that should mean that the AM7 will not work on T-Mobile, but according to others, it does.

Better than ever time to wait...
Poi25 said:
So once again, that should mean that the AM7 will not work on T-Mobile, but according to others, it does.
Click to expand...
Click to collapse
THIS is why it makes sense to wait. The device is very expensive. rather than plunk down that kind of money for something that "may" work with US carriers, wouldn't it make sense to just wait and see what else is released?

sanjsrik said:
THIS is why it makes sense to wait. The device is very expensive. rather than plunk down that kind of money for something that "may" work with US carriers, wouldn't it make sense to just wait and see what else is released?
Click to expand...
Click to collapse
Of course, I'm not buying it right now, just trying to make sense of this mess.

Definitely confused.
Poi25 said:
Of course, I'm not buying it right now, just trying to make sense of this mess.
Click to expand...
Click to collapse
Just because it was working doesn't mean he got full LTE speed. As far as my research took me Band 4 (AWS) of T-Mobile uses a 2100 MHz range downlink and 1700 MHz range uplink.
Specs on the Huawei site lists a whole slew of bands, including band 4. It is strange though that sellers on Alibaba and emails from oppomart.com state to the contrary. I just asked oppomart about this and pointed them to the Huawei spec page, and they said then it should support band 4...

jzchen said:
Just because it was working doesn't mean he got full LTE speed. As far as my research took me Band 4 (AWS) of T-Mobile uses a 2100 MHz range downlink and 1700 MHz range uplink.
Specs on the Huawei site lists a whole slew of bands, including band 4. It is strange though that sellers on Alibaba and emails from oppomart.com state to the contrary. I just asked oppomart about this and pointed them to the Huawei spec page, and they said then it should support band 4...
Click to expand...
Click to collapse
It was full LTE speed. He said it was way faster than his LG G3 on LTE.

jzchen said:
Just because it was working doesn't mean he got full LTE speed. As far as my research took me Band 4 (AWS) of T-Mobile uses a 2100 MHz range downlink and 1700 MHz range uplink.
Specs on the Huawei site lists a whole slew of bands, including band 4. It is strange though that sellers on Alibaba and emails from oppomart.com state to the contrary. I just asked oppomart about this and pointed them to the Huawei spec page, and they said then it should support band 4...
Click to expand...
Click to collapse
I think this is what is happening. http://forum.xda-developers.com/showpost.php?p=55734439&postcount=9

[Q] Select band(s) in LG G2 801 service menu

Guys,
Is it sufficient to select right bands in LG G2 Service menu 3845#*801# to make it work overseas?
Or only modem/radio firmware flash can switch bands?
I do know, the carrier I want to use phone with has different bands, than TMO in US.
And I do see these bands in service menu on my LG.
I guess, it’s probably a lame question, everybody knows an answer to, so it kinda difficult to google out…
To mods: I’m not even sure, if this question right for Troubleshooting section...

The g2 variants have different modems, 3G bands are universal, 4G not.
_____________________________________Read more write less and be smart

siggey said:
The g2 variants have different modems, 3G bands are universal, 4G not.
Click to expand...
Click to collapse
Ok. Could you clarify a bit, please?
On mine 801, LTE Band selection menu shows way more bands, than 801 officially supports.
Does 801 really support all of them?
Do "g2 variants" with different modems (i.e. different hardware) show different set of bands (and really support them all as well)?
And this one too:
"3G bands are universal, 4G not"
Do you mean 4G same freq. bands (in different countries) are in fact different in something else (encoding or whatever)?
siggey said:
Read more write less and be smart
Click to expand...
Click to collapse
I’d really appreciate, if you can point where I can read about it myself.
Thank you!

I mean that there are hardware limitations and the modem (hardware) is different from one country to another, so from one variant to another. In service menu you can see a lot of things but you cant change nothing in frq selection. You can use your phone all over the world in 3G (gsm umts) mode but not in 4G (lte) mode.
_____________________________________Read more write less and be smart

siggey said:
I mean that there are hardware limitations and the modem (hardware) is different from one country to another, so from one variant to another. In service menu you can see a lot of things but you cant change nothing in frq selection. You can use your phone all over the world in 3G (gsm umts) mode but not in 4G (lte) mode.
Click to expand...
Click to collapse
Make sense…
I do remember some sort of discussions about changing frequencies via flushing different modem firmware. Tho, not even sure, which phone it was about. I guess, could be possible if hardware supports it.
From the other hand, it might be cheaper for manufacturer to solder preprogrammed chip/module to support fixed set of bands…
Thank again!

And differents antennas
_____________________________________Read more write less and be smart

ZE552KL not connecting to LTE band 17.

Various websites confirm its compatible with LTE band 17. My other phone connects to it while in my house, but the Zenfone will mostly connect to HSPA+, or sometimes LTE band 2. I cannot get it to stay connected to LTE unless I get into town or on the highway. (Actually as I'm typing, it switched to LTE band 2, but in awhile it will go back to HSPA)
If I root is there any way to unlock band 17? I'm in the US and my carrier runs off AT&T towers. I got this phone specifically because band 17 reaches far off places much better but I am unable to use it.
Edit: I just realized the model number in the Android settings is "asus_Z012DA" and that apparently is not a US variant. I didn't know about the different variants at all. Am I out of luck?

ryan770 said:
Various websites confirm its compatible with LTE band 17. My other phone connects to it while in my house, but the Zenfone will mostly connect to HSPA+, or sometimes LTE band 2. I cannot get it to stay connected to LTE unless I get into town or on the highway. (Actually as I'm typing, it switched to LTE band 2, but in awhile it will go back to HSPA)
If I root is there any way to unlock band 17? I'm in the US and my carrier runs off AT&T towers. I got this phone specifically because band 17 reaches far off places much better but I am unable to use it.
Edit: I just realized the model number in the Android settings is "asus_Z012DA" and that apparently is not a US variant. I didn't know about the different variants at all. Am I out of luck?
Click to expand...
Click to collapse
Hi!
Your correct model for band 17 should be Z012DC, the same used in Brazil.

ryan770 said:
Various websites confirm its compatible with LTE band 17. My other phone connects to it while in my house, but the Zenfone will mostly connect to HSPA+, or sometimes LTE band 2. I cannot get it to stay connected to LTE unless I get into town or on the highway. (Actually as I'm typing, it switched to LTE band 2, but in awhile it will go back to HSPA)
If I root is there any way to unlock band 17? I'm in the US and my carrier runs off AT&T towers. I got this phone specifically because band 17 reaches far off places much better but I am unable to use it.
Edit: I just realized the model number in the Android settings is "asus_Z012DA" and that apparently is not a US variant. I didn't know about the different variants at all. Am I out of luck?
Click to expand...
Click to collapse
For the time being yes you are. There is a way to unlock LTE bands on Qualcomm devices, but it seems ASUS has a fail safe built into kernel preventing it at the moment. If there is ever a custom rom developed for your phone then it maybe possible to unlock band 17. Until then no. I have been trying on my Zenfone 3 Ultra. Got as far as entering in the values for the bands I want and when I reboot it resets them to default. You can read up on it here:
https://forum.xda-developers.com/zenfone-3/help/help-putting-phone-usb-diag-mode-t3571627
Me and another user have been working on it. Maybe it might work for your phone. Always a chance.

roosevelt84 said:
Hi!
Your correct model for band 17 should be Z012DC, the same used in Brazil.
Click to expand...
Click to collapse
Yeah I realize that now. Even though I'm stuck with my phone, I still can't find the z012dc for sale anywhere. Practically no seller online lists which variant it is. In fact, after a few hours of research, I never even knew there was specifically variants.
doctahjeph said:
For the time being yes you are. There is a way to unlock LTE bands on Qualcomm devices, but it seems ASUS has a fail safe built into kernel preventing it at the moment. If there is ever a custom rom developed for your phone then it maybe possible to unlock band 17. Until then no. I have been trying on my Zenfone 3 Ultra. Got as far as entering in the values for the bands I want and when I reboot it resets them to default. You can read up on it here:
https://forum.xda-developers.com/zenfone-3/help/help-putting-phone-usb-diag-mode-t3571627
Me and another user have been working on it. Maybe it might work for your phone. Always a chance.
Click to expand...
Click to collapse
Whoa thanks man. I'll keep checking back and maybe I'll try it myself. Seems you guys are close.
I must say though, this isn't a complete deal breaker, though I am stuck with this phone anyway. The Hspa network is actually FASTER than LTE band 17 in my house. I'm just afraid if I travel somewhere and only band 17 is available I might run into some trouble. But then again, 3g or Hspa might still be able to connect.

Trying to unlock bands (e.g. LTE Band 4, 20, 28)

As you might know, the Mi 6 was announced today. The specs look great for the price (see http://www.pcadvisor.co.uk/new-product/mobile-phone/xiaomi-mi6-news-release-date-price-features-specifications-3653263/) and I thought I finally found the phone I really wanted.
But then the old story hit me again. No support for LTE band 20. As I live in Germany this means no matter what provider I have, I will be affected with less LTE coverage.
So I created this thread to gather any news that involve the possibility and efforts of unlocking the LTE band 20 on the Mi 6.
I hope there are maybe similarities with the ongoing efforts of unlocking the bands of the Mi 5 (http://en.miui.com/thread-242834-1-1.html or here https://forum.xda-developers.com/mi-5/how-to/progress-trying-to-unlock-bands-t3337476).
When the Mi 6 is shipped, I hope this will get some attention and we may find a way to unlock it together. :fingers-crossed:

I have the Mi Note Pro and I never spotted anyone succeeding in unlocking band 20.
I live in France and band 20 is one of the 3 main bands but I never suffered any need for band 20. I even had a Sony Z5 premium which had all French bands and I had to switch to 3g because it wouldn't receive well when I am in bed.
Depending on your carrier if you have just another band and live in a city, not having band 20 is not a deal breaker in my humble opinion.
If you really need it I wouldn't wait for sure for a way to unlock band 20.

Mi6 can work with AT&T network?

t.kuschan said:
As you might know, the Mi 6 was announced today. The specs look great for the price (see http://www.pcadvisor.co.uk/new-product/mobile-phone/xiaomi-mi6-news-release-date-price-features-specifications-3653263/) and I thought I finally found the phone I really wanted.
But then the old story hit me again. No support for LTE band 20. As I live in Germany this means no matter what provider I have, I will be affected with less LTE coverage.
So I created this thread to gather any news that involve the possibility and efforts of unlocking the LTE band 20 on the Mi 6.
I hope there are maybe similarities with the ongoing efforts of unlocking the bands of the Mi 5 (http://en.miui.com/thread-242834-1-1.html or here https://forum.xda-developers.com/mi-5/how-to/progress-trying-to-unlock-bands-t3337476).
When the Mi 6 is shipped, I hope this will get some attention and we may find a way to unlock it together. :fingers-crossed:
Click to expand...
Click to collapse
hi. can you add to the title of this thread the bands 4 and 28, for australia and south america?

kevinx89 said:
mi6 can work with at&t network?
Click to expand...
Click to collapse
tdd-lte (b38/b39/b40/b41) fdd-lte (b1/b3/b5/b7/b8) td-scdma (b34/b39) wcdma (b1/b2/b5/b8) cdma（bc0 ） gsm / cdma 1x (b2/b3/b5/b8/bc0 )

EMJI79 said:
I have the Mi Note Pro and I never spotted anyone succeeding in unlocking band 20.
I live in France and band 20 is one of the 3 main bands but I never suffered any need for band 20. I even had a Sony Z5 premium which had all French bands and I had to switch to 3g because it wouldn't receive well when I am in bed.
Depending on your carrier if you have just another band and live in a city, not having band 20 is not a deal breaker in my humble opinion.
If you really need it I wouldn't wait for sure for a way to unlock band 20.
Click to expand...
Click to collapse
Yes that is a valid point. As I live in Berlin I won't have any problems here. But since I travel around a lot for work countryside coverage would be a good benefit. But as you mentioned band 20 won't stop me from getting the Mi6.
This thread is just if anybody comes up with a good idea on how this could be done. Just as a 'bonus'.

The most active in unlocking lte bands are people in the OnePlus forum as far as I know.

Why can't Xiaomi give us a US LTE phone. Damnit!!!
Sent from my SM-G930T using XDA-Developers Legacy app

Jooosty said:
Why can't Xiaomi give us a US LTE phone. Damnit!!!
Click to expand...
Click to collapse
Because it needs to do a lot, such as patents, internal structure, and so on.
Maybe Xiaomi note3 will behave better.

Band 20 in mi5 CAN NOT be unlocked. It is hardware limited. Please read thread mi5, page 76.
You only need schematic diagram, then you can see.

hbbxmjbb said:
Because it needs to do a lot, such as patents, internal structure, and so on.
Maybe Xiaomi note3 will behave better.
Click to expand...
Click to collapse
don't forget US carrier bloatware, and bootloader lock..
Sent from my MHA-L29 using Tapatalk

LTE B4 is the real need for NorthAmerica users

jkyoho said:
LTE B4 is the real need for NorthAmerica users
Click to expand...
Click to collapse
But Xiaomi is not ready to sale phones in North America now.

RBSonic said:
Band 20 in mi5 CAN NOT be unlocked. It is hardware limited. Please read thread mi5, page 76.
You only need schematic diagram, then you can see.
Click to expand...
Click to collapse
Maybe Mi 6 will be different.

Rupurudu! said:
Maybe Mi 6 will be different.
Click to expand...
Click to collapse
No, it's a "Chinese"phone,it isn't saling in some countries.

hbbxmjbb said:
No, it's a "Chinese"phone,it isn't saling in some countries.
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Click to collapse
It depends on power amplifier and rf modules. In some case it can be unlocked with software or hardware changing.
If somebody find which power amplifier and rf modul are used in mi6, let me known, i tell you if unlock possible.

RBSonic said:
It depends on power amplifier and rf modules. In some case it can be unlocked with software or hardware changing.
If somebody find which power amplifier and rf modul are used in mi6, let me known, i tell you if unlock possible.
Click to expand...
Click to collapse
I will buy one in June,I will do some testing.

Jooosty said:
Why can't Xiaomi give us a US LTE phone. Damnit!!!
Sent from my SM-G930T using XDA-Developers Legacy app
Click to expand...
Click to collapse
Because it's not meant to be sold in the US...

Hakim Farouk said:
Because it's not meant to be sold in the US...
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Click to collapse
But still shouldn't the network setup be kept stock... I mean why waster resources on a freaking modem... When u can divert them to something else....
And if I am not wrong Qualcomm​ gives the chipset/modem with all the bands unlocked.. quite like apple .. hence making s truly global phone

rohit25 said:
But still shouldn't the network setup be kept stock... I mean why waster resources on a freaking modem... When u can divert them to something else....
And if I am not wrong Qualcomm gives the chipset/modem with all the bands unlocked.. quite like apple .. hence making s truly global phone
Click to expand...
Click to collapse
You could say the same for Oneplus's global and China variant. They must have their reasons. I'm sure everyone, let alone, Xiaomi, know that they don't benefit for locking the bands. So, there's no point speculating on why and rather to just accept the obvious that it was not for the US market or any other country that It's not being sold officially.

T-Mobile Band 12

Can anyone verify this actually works? Got this phone with the intention of having better coverage from band 12, but i've never seen lte discovery show anything but band 4.
I'm on the stock rom w/ magisk, anyone have advice?

Hi,
Can you help me to understand the difference between th band 12 and band 4? I am green to this.
Thanks advance!

William Guo said:
Hi,
Can you help me to understand the difference between th band 12 and band 4? I am green to this.
Thanks advance!
Click to expand...
Click to collapse
In short, band 12 is a low frequency signal. The towers can broadcast huge coverage areas with the low frequency at the cost lower speed than their band 4 coverage areas. Band 12 for is great at penetrating buildings with thick walls.
Very few phones support this freq on T-mobile and I was hoping the mini could do it.

googletermsofservice said:
Can anyone verify this actually works? Got this phone with the intention of having better coverage from band 12, but i've never seen lte discovery show anything but band 4.
I'm on the stock rom w/ magisk, anyone have advice?
Click to expand...
Click to collapse
Are you testing it in the same place(s) you've had other phones show band 12 on LTE discovery? Officially it should work as of the Jan 2017 update. I'm pretty sure I have had it show band 12 when I was on stock (not rooted). I don't have a way to verify this now as my Mini is on LOS which currently does not support band 12 nor Wi-Fi calling. It's also my "secondary" phone until I get time to return it to stock (or LOS gets that functionality).
Sent from my Robin using XDA Labs

@googletermsofservice,
Thank you very much! Are there many service provider offer band 12 now? I mean, many providers such T-Mobile, ATT etc all offer band 12?

googletermsofservice said:
Can anyone verify this actually works? Got this phone with the intention of having better coverage from band 12, but i've never seen lte discovery show anything but band 4.
I'm on the stock rom w/ magisk, anyone have advice?
Click to expand...
Click to collapse
Does your phone stay on LTE when making a call (VOLTE)? If yes, the phone is working on band 12.
According to these website, the A7M should work with Band 12 and VOLTE & WFC:
https://www.androidpolice.com/2017/...ini-t-mobile-volte-december-security-patches/
http://www.spectrumgateway.com/compatible-phones
You need to make sure your phone is on at least the Dec update, if not newer.
Spectrum gateway is pretty reliable. I would use them as a first resource when considering a non-Tmo phone. I am supposed to receive this phone tomorrow. Will update if B12/VOLTE/WFC works...

I got the phone today. I can confirm that both VOLTE and WiFi calling work on TMobile after installing the update from the ZTE website here: https://www.zteusa.com/axon-7mini#support