AT&T 850 MHz 3G - Vibrant General

I've been searching around and I can't get a definite answer...
Can the vibrant pick up the AT&T 850 MHz 3G network? Is there any way to turn on this feature?
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Yes. The 1900mhz I believe as well. Idk what you search but Google "Vibrant on at&t 3G"
http://www.google.com/search?hl=en&...vibrant+on+att+3G&aq=f&aqi=g-s1g-ms1&aql=&oq=
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Use SGS Tools. Select secret codes. Scroll down to band selection and it will give you all the options.
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I've turned every band on, but I'm still only on edge...
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wearmaize said:
I've turned every band on, but I'm still only on edge...
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Click to collapse
Are you using the correct APN settings?

Don't really know what mine is set on but im running bionix v and my vibrant is unlocked and it works perfectly on 3g att so it will run on 3g
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I can get 3G in other areas, but not here, which leads me to believe it's just a 850 MHz band.
I can take out the SIM and put it in an iPhone and it picks up 3G just fine, whereas the vibrant is stuck on edge. It's frustrating to keep having to reboot the phone to pop out the SIM
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wearmaize said:
I can get 3G in other areas, but not here, which leads me to believe it's just a 850 MHz band.
I can take out the SIM and put it in an iPhone and it picks up 3G just fine, whereas the vibrant is stuck on edge. It's frustrating to keep having to reboot the phone to pop out the SIM
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Click to collapse
Its got to be unlocked doesn't it to work on att 3g network don't it?

Here we go again...
Here we go again. If you are referring to the T-Mobile USA Vibrant, it does not have support for 850Mhz UMTS bands. Period. The FCC says so. That is pretty definitive as far as I am concerned. It does not matter what some piece of software shows you. The hardware is not capable as it sits in the T-Mobile USA Vibrant. Search the FCC database for the Vibrant. GSM 850Mhz ≠ UMTS 850Mhz.

Pretty sure it's just 1900MHz. The FCC documents would have included the 850MHz band if it was really there.
Edit: Lol, yeah what he said.
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Thanks for clearing it up now comes the dilemma of deciding whether to use the vibrant or an iPhone that uses the 3G speeds...
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Tmobile Vibrant does have capability to operate on ATT 3G network.
I could get it working with iphone sim card.
Specification also includes ATT frequencies.
Att is using two frequencies for 3G.

If it don't run on 3g then why does my vibrant have a 3g data icon and is blazing fast on it?
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It runs on 3G in areas where AT&T uses 1900MHz for 3G. It runs on Edge in areas where AT&T only uses 850MHz for 3G.
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joe3681 said:
Yes. The 1900mhz I believe as well. Idk what you search but Google "Vibrant on at&t 3G"
http://www.google.com/search?hl=en&...vibrant+on+att+3G&aq=f&aqi=g-s1g-ms1&aql=&oq=
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Click to collapse
No. No it can't.
Jesus Christ. Is it really that hard to not respond when you clearly don't know what the hell you're talking about?

Yes yes it can like I said I have a us vibrant and it switches between e witch is edge and 3g don't know how but it has a 3g icon that tells me that its on 3g if it not then why does it say 3g? And it is a beast on 3g on every once in a while it will have a H icon most of the time it SAYS 3G!!!!
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jlg19753 said:
Yes yes it can like I said I have a us vibrant and it switches between e witch is edge and 3g don't know how but it has a 3g icon that tells me that its on 3g if it not then why does it say 3g? And it is a beast on 3g on every once in a while it will have a H icon most of the time it SAYS 3G!!!!
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Click to collapse
because of this:
inconceeeivable said:
It runs on 3G in areas where AT&T uses 1900MHz for 3G. It runs on Edge in areas where AT&T only uses 850MHz for 3G.
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Click to expand...
Click to collapse
Precisely.
The Vibrant does not have 850mhz 3g support. Only AWS(1700)/PCS(1900)/IMT(2100) 3g support.

Wow...just wow. Seriously, the FCC does not generally lie about things like this. And no, I don't think it is a big conspiracy in this case...lol

kmdub said:
Wow...just wow. Seriously, the FCC does not generally lie about things like this. And no, I don't think it is a big conspiracy in this case...lol
Click to expand...
Click to collapse
I'm not sure what this is about. Maybe it's just wishful thinking run amok...seems like most of these people either want to switch to AT&T or bought the phone intending to use it on AT&T, have since found out that it won't work in their area, and are refusing to ultimately admit to themselves that it won't work.
People like to think to themselves, "Well, maybe the FCC screwed up and I DO have a pentaband (or quadband?) 3G phone." The slightest bit of uncertainty encourages such thoughts...there are threads with jokers enabling the fake 850MHz menu selection and exclaiming, "OMG, I have AT&T 3G on 850MHz" when they already had it on 1900MHz. People who bother googling the question ahead of time will no doubt find some older, confusing threads.(Albeit they will hopefully find more and more threads with people like us saying "No, it's not in the FCC docs," etc.)
We should have a sticky or something about this lol.

Yes, I googled it and found conflicting reports which is why I came here to clear it up.
Thanks again
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Related

Unlocked Vibrant Help!!!

So yea I have a vibrant and I'm about to unlock it to att, yes I know "why didn't you just get the captivate" well the captivate (vibrant for att) has an ugly design and att blocks non market apps so yea.
My question is because I heard that someone had 3g from att on the vibrant, is this possible,?
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An unlocked Vibrant will get 3G service on some of ATTs older 3G towers. They are slowly phasing them out though. So if you happen to be in an area that uses the old towers your will get 3G but eventually those towers will be converted and you will lose 3G forever.
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I had called att and asked if they had maps to show 850 vs 1900 but they could only show coverage of 3g just if they had it or not.
I don't know how long before they phase out 1900 but I don't think they're just going to take it down until they've added enough new towers to cover / overlap what they already have. Plus they should be working on lte rolling out next year.
I have vibrant with 3g on att. Speeds seem decent - getting about 1800 kbps down and 1600 kbps up.
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Well I better hurry
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Unlocked T-Mobile Vibrant 3g connection in the Philippines

My unlocked T-Mobile Vibrant cannot connect to Globe Telecom Philippines 3g. Any input from xda? I would really appreciate it. Thank you in advance!
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Have you checked the APN settings? Here is a list of the APN settings:
http://www.yugatech.com/blog/how-to-setup-globe-gprs-3g-mms/
And also, can it connect to Smart Telecom?
you guys from the Philippines? Let me know if it works because i'll be going to Philippinees soon. :-D
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iynfynity said:
you guys from the Philippines? Let me know if it works because i'll be going to Philippinees soon. :-D
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Click to collapse
Ditto on that. I'm about to send one there to my wife. Pinoys in the house.
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lol . You have to teach your wife how to flash. :-D
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robertd0619 said:
Ditto on that. I'm about to send one there to my wife. Pinoys in the house.
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Click to collapse
Tatak pinoy Vibrant! Woot!
Sent from the helm of Vibrant Territory!
iynfynity said:
lol . You have to teach your wife how to flash. :-D
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Click to expand...
Click to collapse
Prep it, dont make get flash that herself! Lol
Sent from the helm of Vibrant Territory!
unless your wife is not that sensitive about the lag. stock would work.
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It was after my buddy got his vibrant unlocked in the Philippines that he didn't get to connect on Globe's 3g or even T-Mobile. I flashed his Vibrant last night with PepperKake om: http://forum.xda-developers.com/showthread.php?t=885404 and it finally got a 3g signal. Now just to wait for him to confirm when he get's back to the Philippines. He's leaving tonight...hehe! Update will be soon...
maybe it's just because of the modem? How did you know that the phone isn't getting 3g speed with globe?
iynfynity said:
lol . You have to teach your wife how to flash. :-D
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Hahaha...just prepped it for her. I got nero v3 running on hers. Iv'e been messing with hers booted supercurio's GB on it the other day. making it my guinea pig. Lol. Only thing were missing on vibrant is GB.
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My friend took the Vibrant to the Philippines and got it unlocked. After unlock, he didn't get 3g signal.
iynfynity said:
maybe it's just because of the modem? How did you know that the phone isn't getting 3g speed with globe?
Click to expand...
Click to collapse
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^iCemaN said:
My friend took the Vibrant to the Philippines and got it unlocked. After unlock, he didn't get 3g signal.
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Click to collapse
did he tried changing the band?
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He did...it wouldn't get GSM signal. We'll find out soon if it works when he gets back and test his vibrant.
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GSM is edge.
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ok after doing some searching at google, samsung vibrant won't connect to 3g in the Philippines.
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I was able to use 3G with my unlocked vibrant.
Rom: Nero v3
SIM: Smart Buddy
twominus said:
I was able to use 3G with my unlocked vibrant.
Rom: Nero v3
SIM: Smart Buddy
Click to expand...
Click to collapse
what band does smart use? because the 3g band of globe is not compatible with.the 3g of vibrant. well that's what I have read.
What's the speed of 3g in smart?
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Sorry, I'm not sure what band Smart is actually using.
But according to other forums, smart uses 2100.
I do get a 3G signal, there's a 3G icon displayed on my phone.
However, surfing is crap.
I'm not sure if its the SIM I'm using, coz it's prepaid (Smart Buddy).
I dont know if using a postpaid sim (Smart Gold) will improve anything.
Or it could probably be that the network is congested thats why everything is slow.
All I can say for sure is that I get a 3G signal.
Service Provider GSM Frequency Band 3G Standard 3G Frequency Band
Globe Telecom 900 MHz/1800 MHz W-CDMA (UMTS) 2100 MHz
Smart 900 MHz/1800 MHz W-CDMA (UMTS) 2100 MHz
Sun Cellular 1800 MHz
T-Mobile Vibrant should also get the globe 3g.

Att 4g or 3g

Is there anyway to run the mytouch 4g on att without it only being on edge network?
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Pretty sure thats a no since the radios are built for different frequencies.
Unfortunately no, the radio in the Mytouch 4G only supports At&t's Edge Network.
probably not
iphone supports only EDGE on t-mobile network, so I assume the hardware designed for phones are only available to the network they were originally made for
if you want to run a MT4G on att go buy a desire HD. same unit but the radio's work on ATTs 3g network. thats basically the only way.
danyune said:
probably not
iphone supports only EDGE on t-mobile network, so I assume the hardware designed for phones are only available to the network they were originally made for
Click to expand...
Click to collapse
thats pretty much true there unless the phone is running quadband HSDPA. which is very rare nowadays. tmobile just kinda sucks cause they are running a rare HSDPA band while ATT runs a more mainstream. i buy phones from taiwan (HTC headquarters) for my family to use on ATT and their 3G is flawless.
syaoran68 said:
thats pretty much tmobile.... just kinda sucks cause they are running a rare HSDPA band while ATT runs a more mainstream. ((i buy phones from taiwan (HTC headquarters) for my family to use on ATT and their 3G is flawless.))
Click to expand...
Click to collapse
Could you elaborate more on the Taiwan connection? I'm using this device now but would rather go back to the mt4g. Yet considering the match level of chess these companies are playing I need a Bobby Fischer type of device, of which seems to not be available in the YouEss
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It's quite simple. all the phones from Taiwan use the same 3g signal as att here for their smartphones. So you can buy phones from there and they will work perfectly fine on att networks here.
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syaoran68 said:
It's quite simple...you can buy phones from there and they will work perfectly fine on att networks here.
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Click to expand...
Click to collapse
Okay.
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I was up for quite some time last night looking for a seller of the Tawian type phones you mentioned. I was lost. Could you be a help and point me into a proper direction? (ie... a responsible source )
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3G plans and USB 3G Modem

Hey. I got an Alcatel USB 3G Model that can work with USA carrier. Does someone know if I will insert T-Mobile data plan sim it will work?
bar_rodoy said:
Hey. I got an Alcatel USB 3G Model that can work with USA carrier. Does someone know if I will insert T-Mobile data plan sim it will work?
Click to expand...
Click to collapse
Maybe. If it works on 1700Mhz and can use HSPA+ it will be able to do 3G. If it only gets 1900Mhz with GSM then it can do Edge.
Unless your area has been refarmed.
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MrObvious said:
Unless your area has been refarmed.
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MrObvious, It's not very obvious what refarmed is. What do you mean by that?
They are working nationwide on putting 3g not just on their 1700/2100 classic 3g frequencies but the more standard 1900 MHz since their Edge uses that frequency.
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MrObvious said:
They are working nationwide on putting 3g not just on their 1700/2100 classic 3g frequencies but the more standard 1900 MHz since their Edge uses that frequency.
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Click to expand...
Click to collapse
Cool, maybe then I will be able to get 3G on my Android phone when it's on 1900 but since I can't get 3G or 4G now I'm not holding my breath.
stevec5000 said:
Cool, maybe then I will be able to get 3G on my Android phone when it's on 1900 but since I can't get 3G or 4G now I'm not holding my breath.
Click to expand...
Click to collapse
You'd be surprised. I'm waiting for it too.

Galaxy S5 Sprint Spark kills data + voice calls at the same time!

SEE POST 30 TO CHANGE YOUR PRIORITY BAND COVERAGE!
http://www.consumerreports.org/cro/...ark-4g-network-problems-phone-calls/index.htm
I asked the store rep if Sprint is working on a fix, but we all know the Sprint reps are usually useless answering these questions (by this I mean at the store they are only trying to make a sell). Her answer was that Sprint is working on a fix that will fix all phones with an OTA. My next question was is this a hardware or software problem which she responded that it is a tower problem. I looked online for an answer but all I could find is that Sprint responded with a weird kinda lame answer that didn't really say if they are working on a fix or not. On Sprint's Forum a rep says they are, but they say a lot of things on the forum that aren't correct also. This seems to be a very frustrating situation actually.
Does it matter to you?
It does to me, but at the same time it isn't a function I use all the time. My only reason that it has helped me, is that it has greatly helped me with work a few or more times.
I am kinda forced to buy a new phone for framily / billing reasons... huge bill without it. I am sorta thinking that I will upgrade the phone but at the same time keep my S4 handy in case I hate the S5. I went to the store today and I have to say it actually surprised me with it's new version of Touchwiz- even though I usually hate Touchwiz.
The only real reason I can see me upgrading is the camera and battery algorithms for power saving.
I call crap!
I've had none of these issues personally, and you can just turn off Spark.
I spoke with sprint today and they said it would be fixed when spark opens up nation wide.
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Spark is crap!!!
The reason you can only use one at a time is the triband antenna in the phone it can only use one signal at a time. It may be fixed once sprint starts using voice over LTE. Plus spark is just a unborn baby right now, not even full deployed. The sprint map says spark coverage is in certain areas on the sprint coverage map on the website. This is not true, the sprak network is 2.5Ghz radio head on the the already existing towers(have not be built or not on-air yet). According to sprint Alcatel-Lucent and Samsung towers are the only companies that are contracted to work on spark networks. Ericsson is looking like they will not be apart of the upgrade. This means there will be 1/3 of the sprint market that will not have spark. Sprint has the the companies split by markets and only two of them have contracts to build in their area.
Here is an article that will cover a good about of that info.
http://www.fiercewireless.com/story...dors-absence-sprints-spark-program/2013-10-30
AcE2DuCe said:
The reason you can only use one at a time is the triband antenna in the phone it can only use one signal at a time. It may be fixed once sprint starts using voice over LTE. Plus spark is just a unborn baby right now, not even full deployed. The sprint map says spark coverage is in certain areas on the sprint coverage map on the website. This is not true, the sprak network is 2.5Ghz radio head on the the already existing towers(have not be built or not on-air yet). According to sprint Alcatel-Lucent and Samsung towers are the only companies that are contracted to work on spark networks. Ericsson is looking like they will not be apart of the upgrade. This means there will be 1/3 of the sprint market that will not have spark. Sprint has the the companies split by markets and only two of them have contracts to build in their area.
Here is an article that will cover a good about of that info.
Click to expand...
Click to collapse
NSN will be the contractor for the Areas served by Ericsson for NV 1.0. The reason you can not get SVLTE is because they do not have multiple pathways for 1x and LTE. Here it talks about it. The S5 was not the first phone to have this happen, All tri-Band Phones will most likely be without SVLTE from now on.
S4gru has a few pages explaining it better.
jeremyvbk said:
NSN will be the contractor for the Areas served by Ericsson for NV 1.0. The reason you can not get SVLTE is because they do not have multiple pathways for 1x and LTE. Here it talks about it. The S5 was not the first phone to have this happen, All tri-Band Phones will most likely be without SVLTE from now on.
S4gru has a few pages explaining it better.
Click to expand...
Click to collapse
Yes, I forgot to mention it is not only the S5, but all Triband phones. I mostly wanted to put this out here in the open for feedback and other peoples knowledge when contemplating the S5 as an update. I would have been absolutely pissed if I found out after the fact.
It's being discussed here http://forum.xda-developers.com/showthread.php?t=2712240
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---------- Post added at 12:47 PM ---------- Previous post was at 12:47 PM ----------
They have to enable it on the network side to allow dual channels on a single LTE channel
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pro_granade said:
I've had none of these issues personally, and you can just turn off Spark.
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Click to collapse
How do you turn off Spark?
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pastert33 said:
How do you turn off Spark?
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Click to expand...
Click to collapse
You can't
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eyecon82 said:
You can't
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Click to collapse
This is really confusing to me. I thought Atlanta was a spark location...now I have a brand new phone and only see 3g on it
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pastert33 said:
This is really confusing to me. I thought Atlanta was a spark location...now I have a brand new phone and only see 3g on it
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Click to expand...
Click to collapse
Read this. It will explain it much better.
It's a long read, but well worth your time
http://s4gru.com/index.php?/blog/1/...-due-to-circuit-switched-fallback-technology/
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Now that Sprint has wifi calling it seems like it would be easy to use the same service over LTE. Then 1X voice wouldn't be needed and you could use data+voice simultaneously.
ZerosAndOnes said:
Now that Sprint has wifi calling it seems like it would be easy to use the same service over LTE. Then 1X voice wouldn't be needed and you could use data+voice simultaneously.
Click to expand...
Click to collapse
How do we use wifi calling?
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Where can u find what areas/towers has this completed on? I'm really thinking about upgrading but don't want to be with out 4G when I have strong 4G in my area with my S3.
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BubZX said:
Where can u find what areas/towers has this completed on? I'm really thinking about upgrading but don't want to be with out 4G when I have strong 4G in my area with my S3.
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Click to expand...
Click to collapse
I had 4G on my S3 in New Orleans and I currently have 4G with my S5
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I don't have an S5 yet but I have a Mega with Spark and I have no issues whatsoever.
Well I got the sprint spark friday when it came out and jus like my s4....I still got crappy coverage at my house but suppose to have best signal
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soufdallas said:
Well I got the sprint spark friday when it came out and jus like my s4....I still got crappy coverage at my house but suppose to have best signal
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Click to expand...
Click to collapse
Having sprint spark doesn't mean your going to have best speeds unless your connected to band 41 or band 26 which is the newest bands. With those speeds you have there i wouldn't be surprise if your connected to band 25 which is the 1900mhz which yea its loaded with majority of sprint customers which is going to give you real slow speeds.
Here some speed test on band 41 i took yesterday morning when i was heading to go play some basketball.
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yellowman82 said:
Having sprint spark doesn't mean your going to have best speeds unless your connected to band 41 or band 26 which is the newest bands. With those speeds you have there i wouldn't be surprise if your connected to band 25 which is the 1900mhz which yea its loaded with majority of sprint customers which is going to give you real slow speeds.
Here some speed test on band 41 i took yesterday morning when i was heading to go play some basketball.View attachment 2686876
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Click to expand...
Click to collapse
WOW @ THOSE SPEEDS....Fukin incredible.............so im guessing they have to turn on that band 41 for me
soufdallas said:
WOW @ THOSE SPEEDS....Fukin incredible.............so im guessing they have to turn on that band 41 for me
Click to expand...
Click to collapse
Where do you live? And also what i did was i went into my settings ##data# and made band 41 as my primary. My list is #1 band 41 as primary, #2 is band 25 and #3 is band 26 since its not active here in Miami yet but band 41 is doing great so far as you can see.
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