[Q] Flash vzw devices to sprint to test network coverage - General Questions and Answers

I am considering switching to sprint from vzw, and obviously my biggest concern is coverage. I have a couple of old phones, a droid X and razr, and would like to flash one of them to sprint radios, not to actually activate and use on the network, but just to test coverage at home and work. Is this at all possible? Any ideas of where else to find information on this? I have searched xda as well as google but am not finding anything. TIA

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Force Roam on Skyrocket?

I would like to be able to force my wife's Skyrocket to Roam on T-Mobile.
Coming from Sprint my wife now gets really crappy reception at her work and is none to happy with me switching us to AT&T. I thought maybe something was wrong with her phone as it always showed 1 bar + 4G but her phone would never load a web page in her office. I tested my Galaxy Note and got the same results.
Her coworkers get 4+ bars on T-Mobile so I would love to give her the option to Roam at least when she is at work.
On Sprint we could load PRLs to do this but searching I was not able to find anything for force roaming on the Skyrocket.
Thanks
First, you would need to find out if at&t has a roaming agreement with tmo in your area-- and if at&t has coverage at all then probably not.

[Q] Verizon GS3 on T-mobile/Simple Mobile with 3g

Hey
I was able to get the Verizon Samsung galaxy S3 to work on simple mobile(prepaid service that uses t-mobile's towers) but I am only getting 2g speed. As anyone being able to get it work on t-mobile with 3g speeds.If the 3g works on t-mobile, it would work on simple mobile.
samsunggs3owner said:
Hey
I was able to get the Verizon Samsung galaxy S3 to work on simple mobile(prepaid service that uses t-mobile's towers) but I am only getting 2g speed. As anyone being able to get it work on t-mobile with 3g speeds.If the 3g works on t-mobile, it would work on simple mobile.
Click to expand...
Click to collapse
I'm currently on T-Mobile, and I'm only getting max of EDGE connection, which is equivilent to 2G... I guess. Lol
Only way 3G or 4G will work is for T-Mobile to merge Verizon towers with theirs, and that will not happen, for about another month or so, promised by T-Mobile. But I hope so!
jtdo said:
I'm currently on T-Mobile, and I'm only getting max of EDGE connection, which is equivilent to 2G... I guess. Lol
Only way 3G or 4G will work is for T-Mobile to merge Verizon towers with theirs, and that will not happen, for about another month or so, promised by T-Mobile. But I hope so!
Click to expand...
Click to collapse
From what I have heard from verizon themselves is that the contract talks fell apart between them and t-mobile. I have an S3 and have rooted and swapped sims.. then reprogrammed the phone to only pickup 750mhz 1700mhz, 1900mhz, and 2100mhz (I believe that is what I have it set to) so that if/when they do get back together and make it happen the phone that I have setup will be able to grab the tower information and get 4g. I have spoken with T-,Mobile and they are not saying anything at this time. I will keep you up to date.
angelicsoldier said:
From what I have heard from verizon themselves is that the contract talks fell apart between them and t-mobile. I have an S3 and have rooted and swapped sims.. then reprogrammed the phone to only pickup 750mhz 1700mhz, 1900mhz, and 2100mhz (I believe that is what I have it set to) so that if/when they do get back together and make it happen the phone that I have setup will be able to grab the tower information and get 4g. I have spoken with T-,Mobile and they are not saying anything at this time. I will keep you up to date.
Click to expand...
Click to collapse
Wait so how were you able to do this. Can you post the instructions online.So your currently getting 3g with tmobile on you verizon GS3?
samsunggs3owner said:
Wait so how were you able to do this. Can you post the instructions online.So your currently getting 3g with tmobile on you verizon GS3?
Click to expand...
Click to collapse
no. what I was mentioning is that the contract talks between them fell apart...I am still working on getting 3g on the phone.. however I have seen that the chipsets are the same between the models. I purchased 2 gs3s one att and one verizon. Opened them up and part numbers where the same on the main board. I am fairly new to the android development area and so to the best of my knowledge you should be able to flash the radioover but have not tried yet... am going to try once I get some time to flash an AT&T radio and kernals and see if I can put a sim into the phone and see what happens.
angelicsoldier said:
no. what I was mentioning is that the contract talks between them fell apart...I am still working on getting 3g on the phone.. however I have seen that the chipsets are the same between the models. I purchased 2 gs3s one att and one verizon. Opened them up and part numbers where the same on the main board. I am fairly new to the android development area and so to the best of my knowledge you should be able to flash the radioover but have not tried yet... am going to try once I get some time to flash an AT&T radio and kernals and see if I can put a sim into the phone and see what happens.
Click to expand...
Click to collapse
Hope you got jtag Some very good devs have tried to get it to work for months and havent been able to. http://forum.xda-developers.com/showthread.php?t=1895684

AT&T LTE on Verizon Variant?

Ok so I know that the Verizon M8 is unlocked and works on AT&T. I'm also aware that HSPA+ is supposed to be as good as it gets which is fine with me.because for the most part my service is terrible on AT&T as I live in a little Podunk town that doesn't have LTE. That being said the cities to the north and south of me both have LTE. I recently acquired the Verizon M8 and have made several trips to.both places and the phone always just shows H with the signal. Today however I happened to look at my phone and it's showing LTE, not only that but everything.is functioning. Internet, sending and.receiving sms and mms, and making calls all works.
Is there something.obvious I'm missing? To the best of my knowledge I shouldn't be getting LTE and my speed test pegged me at about 8 down but signal was weak so that doesn't surprise me.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
Sorry for the random punctuation, I'm still getting used to this keyboard.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
Why did you buy a Verizon M8 to use on AT&T? If you're on AT&T, get the AT&T version. There's a reason carrier specific versions are sold, and it's not only because the carriers are evil demons out to butt rape your wallet.
The network designs of Verizon and AT&T are radically different, and even if the M8 has the hardware for both the different variants are designed out of the box to only work with one.
So, even if you did get it to work with AT&T's network, who knows what kind of problems you may be experiencing. It may just be network congestion, it may be something else. Point it, it's tough to troubleshoot when you bought a device from the wrong carrier, as you just introduced a whole new crazy variable into the equation.
TenderloinShadow said:
Why did you buy a Verizon M8 to use on AT&T? If you're on AT&T, get the AT&T version. There's a reason carrier specific versions are sold, and it's not only because the carriers are evil demons out to butt rape your wallet.
The network designs of Verizon and AT&T are radically different, and even if the M8 has the hardware for both the different variants are designed out of the box to only work with one.
So, even if you did get it to work with AT&T's network, who knows what kind of problems you may be experiencing. It may just be network congestion, it may be something else. Point it, it's tough to troubleshoot when you bought a device from the wrong carrier, as you just introduced a whole new crazy variable into the equation.
Click to expand...
Click to collapse
Slow down there captain. I'm not complaining about service issues or anything of the sort. I'm questioning whether it's actually possible that I could be getting AT&T LTE on the Verizon Variant. The circumstances behind why I have the Verizon version are completely irrelevant. I have an s5 I can use if I want and if it makes you happy it is the AT&T version.
I understand the differences between AT&T and Verizon's infrastructure, but it just so happens that the Verizon m8 has everything I need to function perfectly for me. So please take the time to actually address what I was asking instead of judging me for not purchasing the device you think I should have.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
cloudraker said:
Slow down there captain. I'm not complaining about service issues or anything of the sort. I'm questioning whether it's actually possible that I could be getting AT&T LTE on the Verizon Variant. The circumstances behind why I have the Verizon version are completely irrelevant. I have an s5 I can use if I want and if it makes you happy it is the AT&T version.
I understand the differences between AT&T and Verizon's infrastructure, but it just so happens that the Verizon m8 has everything I need to function perfectly for me. So please take the time to actually address what I was asking instead of judging me for not purchasing the device you think I should have.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Bravo just another basher that was quick to judge and his only intent was to try to put you down. It sucks that you cant erase peoples comments off of your posting because its posts like that that you should be able to delete. My philosophy is if you cant say anything nice please dont say anything at all. Some people just love to put down others or their opinions, questions or comments. :good:
You realize that he didnt answer the question being asked and instead asked why did you buy that variant! And no, I dont think cloudraker was putting him down in any way.
cloudraker said:
Ok so I know that the Verizon M8 is unlocked and works on AT&T. I'm also aware that HSPA+ is supposed to be as good as it gets which is fine with me.because for the most part my service is terrible on AT&T as I live in a little Podunk town that doesn't have LTE. That being said the cities to the north and south of me both have LTE. I recently acquired the Verizon M8 and have made several trips to.both places and the phone always just shows H with the signal. Today however I happened to look at my phone and it's showing LTE, not only that but everything.is functioning. Internet, sending and.receiving sms and mms, and making calls all works.
Is there something.obvious I'm missing? To the best of my knowledge I shouldn't be getting LTE and my speed test pegged me at about 8 down but signal was weak so that doesn't surprise me.
Sent from my HTC One_M8 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Why don't you try Convert it to AT&T or Unlock more LTE band

[Q] Flash Verizon S3 to Straight Talk /Verizon towers?

Hello, This has been covered before, and I see it CAN be done, but so far I can only find companies that do this for a hefty charge. My apologies, but after a couple hours searching, I haven't found a definite answer.
First, we do NOT have any GSM service in our area, only Verizon. So what we are trying to do is flash a Verizon S3 to Straight Talk, to run on Verizon towers, 3G only it seems. There is a way to use a ST IMEI on the S3 to "fool" ST's system as far as I can tell.
Can anyone point me in the right direction to do this at home without sending it out? I've been rooting and flasing phones since the OG Droid days, so it should be a piece of cake lol.
Thanks in advance
Should be a simple matter of calling Straight Talk and asking them to put the phone in their towers. They should give you a Network Access Code. These can also be found at your local Walmart in the form of a Bring Your Own Phone kit.
Sent from my iPhone using Tapatalk

Switching to AT&T - Is it easy?

My Verizon service is great everywhere... Except for at work. There, it's abysmal.
They just installed AT&T repeaters throughout the plant where I work, so the choice has become clear. I gotta make the jump.
I have 3 additional lines that I want to take with me, and I don't want anyone to lose their phone number.
Is it really as simple as walking into an AT&T store and signing up with them?
The phones I'll be taking are:
My M8, a Galaxy S4, a Droid Razor Maxx, and an iPhone 5.
What can I expect?
BBEgo said:
My Verizon service is great everywhere... Except for at work. There, it's abysmal.
They just installed AT&T repeaters throughout the plant where I work, so the choice has become clear. I gotta make the jump.
I have 3 additional lines that I want to take with me, and I don't want anyone to lose their phone number.
Is it really as simple as walking into an AT&T store and signing up with them?
The phones I'll be taking are:
My M8, a Galaxy S4, a Droid Razor Maxx, and an iPhone 5.
What can I expect?
Click to expand...
Click to collapse
That's how they make their plan. As long as the phones you have work on their network. You need an att m8???
BBEgo said:
My Verizon service is great everywhere... Except for at work. There, it's abysmal.
They just installed AT&T repeaters throughout the plant where I work, so the choice has become clear. I gotta make the jump.
I have 3 additional lines that I want to take with me, and I don't want anyone to lose their phone number.
Is it really as simple as walking into an AT&T store and signing up with them?
The phones I'll be taking are:
My M8, a Galaxy S4, a Droid Razor Maxx, and an iPhone 5.
What can I expect?
Click to expand...
Click to collapse
Just walk in to an AT&T store since all of thoose VZW phones are unlocked you'll get AT&T band 4 LTE(if in your area) and HSPA + on the M8 and S4 and you'll get HSPA + fake 4G on the Razr and iPhone 5 it's $15 per phone since your doing byod and then the cost of shared data.
Good Luck
Ok so I made the switch, and all phones are running.
Problem is, none of them are getting LTE. It appears that my firmware doesn't have that frequency band enabled or something.
Is it possible to flash AT&T firmware without bricking my phone?
BBEgo said:
Ok so I made the switch, and all phones are running.
Problem is, none of them are getting LTE. It appears that my firmware doesn't have that frequency band enabled or something.
Is it possible to flash AT&T firmware without bricking my phone?
Click to expand...
Click to collapse
No you don't need to do that; it is just that AT&T does not use band 4 spectrum in your area, and later on you'll have to buy an AT&T phone with their band 17 primary LTE Band. Hopefully HSPA + will suffice for you. Also double check that your APNs are correct or else you may have issues. with MMS.

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