Lock in NV Settings: Sprint, Virgin, Boost - E 2015 Q&A, Help & Troubleshooting

I have found that the lock that sprint and its mini companies put on the xt1526 are based in the nv. This means if an sim unlock is to be achieved, the nv must somehow to set to something other than "read only" for certain values. If someone could figure this out, it would be great!

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Help with A-key Htc Pro

Hi i change my sprint touch pro prl to a local provider but when i went to activate the phone they ask me about the A-Key 16 digit number;which i can't retrieve from the phone after dialing ##2539# it displays A-KEY which is in blank however it allows to edit the A-Key value,I read on other forums that this phone doesn't use A key instead it use Meid for authentication its a Htc Pro Raphael 800
Need some help Thanks
Is your local provider GSM or CDMA, which one is it.
Did I miss something where they said the carrier was GSM, even a hint at it?
You can use all zeros, except for the Checksum value will still be dependent on your ESN.
They probably want to know the AKEY atleast to prevent cl0ning of your MEID and ther information.
Wanna send me the last three bytes of your pESN? It should be safe since it isn't unique or easily reversed. I'll PM you your zero A-KEY.
BTW: You shouldn't be able to read the A-KEY out of a phone, you are at the A-KEY entry screen...
as far as i know the A key is used for data mainly - i think it stands for authentication key -
on alltel i dont have an A key my friend on verizon does. his data will not work with out the a-key. he had to call them and then then he did a *228 and did the option to activate his phone what then put in his a-key.
i would try *228 and then see if it puts in the a-key that or find some on on sprint and see if they have an akey if they dont then u dont need one and just leave it blank
How would you know if there is an AKEY?
How would you know if the active Sprint Pro has an akey programmed into it? I'm looking at a Pro right now, and I don't know how you would read out an AKEY, the AKEY menu will never show you the existng AKEY or tell you if there is one programmed... It's my understanding you also can't read it out via Workshop either. By specification, the AKEY is supposed to be placed into the phone in such a way as to prevent you from reading it out... it's an anti-cl0ning thing.
As far as the AKEY being mainly used for data... it's up to the carrier to determine how the AKEY is used, all calls - some calls - data... As far as your friends situation, are you sure that the *228 didn't fix the data issue ofcourse having an AKEY would also be important if the carrier uses it.
Does anyone out there have memory addresses for reading the AKEY via Workshop on a TreoPro that they are willing to share?
I don't want to sound rude, just trying to make sure everyone has the right information.

Flashing EPST for CDMA carrier unlock...

I bought a used HTC evo3d phone from ebay in the U.S and it is a CDMA Sprint phone. Well, Sprint hasn't existed in Canada and since Rogers bought the Canadian division in 2005, and at that time they were only home phone and cable.
My question is, to have another CDMA mobile provider such as Bell activate the phone, it needs to be "unlocked" so to speak. I have learned that the EPST menu, which can be accessed by dialing ##778#. you can choose view, or edit. Editing requires MSL password(which I obtained by root app called MSL reader) I can edit many of the phone's CDMA receiver frequencies and NAM settings, Home SID/NID, modem settings, PRL, data parameters, M.IP settings etc etc I can even see the previous owner's old sprint phone #, her sprint email address....
I am 90% sure the new provider will just flash all these settings to optimize the phone for their network...Is there a way to wipe all the old Sprint EPST to create a blank slate in which a new carrier can flash their new EPST settings into the phone?

[Q] Sprint CDMA carrier unlock?

Has anyone had success carrier unlocking their sprint/VM CDMA evo's?
I bought the 3vo phone from ebay in the U.S. I live in Ontario and Sprint hasn't existed as a company in Canada since Rogers bought the Canadian division in 2005. And at that time they were only home phone and cable.
My question is, to have another CDMA provider such as Bell activate the phone, it needs to be "unlocked" so to speak. I have learned that the EPST menu, which can be accessed by dialing ##778#. you can choose view, or edit. Editing EPST requires MSL password(which I obtained by root app called MSL reader) I can edit many of the phone's CDMA receiver frequencies and NAM settings, Home SID/NID, modem settings, PRL, data parameters, M.IP settings etc etc...by dialing ##786# for reverse logistics support, I can see the previous owner's old sprint phone #, her sprint email address, MSID, MAC-ID, ESN, MEID(dec), MEID(hex), life calls, life timer, etc
I am 90% sure the new provider will just flash all these settings to optimize the phone for their network...Is there a way, and should I wipe all the old Sprint EPST to create a blank slate in which a new carrier can flash their new EPST settings into the phone?

[Q] How to PROPERLY unlock Verizon for T-Mobile??

I need to get my Data and calls working with this Verizon S5.
I bought it at an authorized T-MOBILE dealer without realizing it was a Verizon model.
They unlocked it but obviously didn't do it right. The Verizon Internet APN is still showing but cannot remove and cannot delete. Data and calls do not work when adding T-Mobile APN info, either. I have a constant message along the top saying "This SIM card is from an unknown source". I get a similar message when trying to make phone calls. Sometimes they will go through but only intermittently.
I want to know.....
Can I put a T-Mobile ROM on my SM-G900V without bricking it and get Data and calling back? Has this been successfully done before? Links? Any idea on how to get the Verizon S5 working properly on the T-Mobile network at all?
The guys at the store are idiots, will not help, screwed me over saying i signed some kind of doc agreeing to a 72 hour return policy, not a 14-day return policy... My fault for not reading the fine print, yes... But their intentions were to screw people over from the beginning. Makes me want to just "RAAAAAAAWWR"
********EDIT**********
I did find a thread in the QnA by searching for "Unlock" and he has successfully put a t-mobile ROM on it, so why does his data work and mine doesn't ??? Any ideas?? I cannot completely test the theory at the moment because i'm at work but i am posting this in case anyone knows why the data would not work. I'm in the process of contacting Verizon directly to see if they have anything of use, but i doubt it.
That sounds like your device isn't actually unlocked.
Just flashing a different carrier firmware don't unlock the phone from my understanding.
Verizon s5 (and s4) are carrier unlocked. I use both on T-Mobile with no issues
I have done this with 2 iPhone 5s's, an i545 Verizon S4 (which I loved), a N900V Verizon Galaxy Note 3 and now on an SM-G900V Verizon S5. All are carrier unlocked out of the box and work with T-Mobile. There are a few caveats.
For the android devices, here is what you can do without obtaining root:
1. if you remove your Verizon SIM and put in the T-Mobile SIM calls should work without any change except you need to be in global mode. In settings, change settings/connections/more networks/mobile networks/network mode/ to global.
2. To get data working, go to settings/connections/more networks/mobile networks/access point names and edit the T-Mobile settings. The name does not matter, but the APN should be fast.t-mobile.com
3. To get MMS you have to change a few other settings (but leave all others unchanged):
MMSC should be http://mms.msg.eng.t-mobile.com/mms/wapenc
MCC should be 310
MNC should be 260
APN Type should be default,mms/supl,dun
4. You can't remove the "SIM is from an unknown source" message without root. I believe you can stop the message by holding the notification until you find the app info, and then force stop it. But it will return after any reboot.
If you are willing to root your phone (I used Towelroot), in addition to the above you can:
5. Remove the message about the SIM by freezing "Setup Wizard 1.0" using Titanium Backup
6. Using the app "Advanced Signal Status" you can set your phone to LTE/GSM only so it no longer looks for CDMA service
Summary: Changing Verizon S4, Note 3 and S5 phones (as well as the iPhones) to T-Mobile service is not difficult. I switched carriers completely for my entire 5 line contract without changing phones. I now have unlimited data on 4 of the 5 phones (one user does not need much), and my monthly bill is half of my old Verizon service. Yes - HALF.
exitpr0gram said:
I need to get my Data and calls working with this Verizon S5.
I bought it at an authorized T-MOBILE dealer without realizing it was a Verizon model.
They unlocked it but obviously didn't do it right. The Verizon Internet APN is still showing but cannot remove and cannot delete. Data and calls do not work when adding T-Mobile APN info, either. I have a constant message along the top saying "This SIM card is from an unknown source". I get a similar message when trying to make phone calls. Sometimes they will go through but only intermittently.
I want to know.....
Can I put a T-Mobile ROM on my SM-G900V without bricking it and get Data and calling back? Has this been successfully done before? Links? Any idea on how to get the Verizon S5 working properly on the T-Mobile network at all?
The guys at the store are idiots, will not help, screwed me over saying i signed some kind of doc agreeing to a 72 hour return policy, not a 14-day return policy... My fault for not reading the fine print, yes... But their intentions were to screw people over from the beginning. Makes me want to just "RAAAAAAAWWR"
********EDIT**********
I did find a thread in the QnA by searching for "Unlock" and he has successfully put a t-mobile ROM on it, so why does his data work and mine doesn't ??? Any ideas?? I cannot completely test the theory at the moment because i'm at work but i am posting this in case anyone knows why the data would not work. I'm in the process of contacting Verizon directly to see if they have anything of use, but i doubt it.
Click to expand...
Click to collapse
Here is a Guide I found that may be exactly what your looking for.
http://forum.xda-developers.com/showthread.php?t=2582747
It works, but may loose a bit of benefits when it comes to Network, since the Verizon doesn't have all T-Mobile bands, but close enough.
maxyoda said:
I have done this with 2 iPhone 5s's, an i545 Verizon S4 (which I loved), a N900V Verizon Galaxy Note 3 and now on an SM-G900V Verizon S5. All are carrier unlocked out of the box and work with T-Mobile. There are a few caveats.
For the android devices, here is what you can do without obtaining root:
1. if you remove your Verizon SIM and put in the T-Mobile SIM calls should work without any change except you need to be in global mode. In settings, change settings/connections/more networks/mobile networks/network mode/ to global.
2. To get data working, go to settings/connections/more networks/mobile networks/access point names and edit the T-Mobile settings. The name does not matter, but the APN should be fast.t-mobile.com
3. To get MMS you have to change a few other settings (but leave all others unchanged):
MMSC should be http://mms.msg.eng.t-mobile.com/mms/wapenc
MCC should be 310
MNC should be 260
APN Type should be default,mms/supl,dun
4. You can't remove the "SIM is from an unknown source" message without root. I believe you can stop the message by holding the notification until you find the app info, and then force stop it. But it will return after any reboot.
If you are willing to root your phone (I used Towelroot), in addition to the above you can:
5. Remove the message about the SIM by freezing "Setup Wizard 1.0" using Titanium Backup
6. Using the app "Advanced Signal Status" you can set your phone to LTE/GSM only so it no longer looks for CDMA service
Summary: Changing Verizon S4, Note 3 and S5 phones (as well as the iPhones) to T-Mobile service is not difficult. I switched carriers completely for my entire 5 line contract without changing phones. I now have unlimited data on 4 of the 5 phones (one user does not need much), and my monthly bill is half of my old Verizon service. Yes - HALF.
Click to expand...
Click to collapse
i will verify everything he said above as true as i have done the same. i can also verify that you flash a tmobile rom (be sure not to flash any baseband/modem or any other partition) and you can get VoLTE to work etc... The only thing missing is the 2100 MHz radio which means HSDPA+ will not work in all areas but that is a hardware limitation.
SM-Galaxy s5 G900V Issues
maxyoda said:
I have done this with 2 iPhone 5s's, an i545 Verizon S4 (which I loved), a N900V Verizon Galaxy Note 3 and now on an SM-G900V Verizon S5. All are carrier unlocked out of the box and work with T-Mobile. There are a few caveats.
For the android devices, here is what you can do without obtaining root:
1. if you remove your Verizon SIM and put in the T-Mobile SIM calls should work without any change except you need to be in global mode. In settings, change settings/connections/more networks/mobile networks/network mode/ to global.
2. To get data working, go to settings/connections/more networks/mobile networks/access point names and edit the T-Mobile settings. The name does not matter, but the APN should be fast.t-mobile.com
3. To get MMS you have to change a few other settings (but leave all others unchanged):
MMSC should be http://mms.msg.eng.t-mobile.com/mms/wapenc
MCC should be 310
MNC should be 260
APN Type should be default,mms/supl,dun
4. You can't remove the "SIM is from an unknown source" message without root. I believe you can stop the message by holding the notification until you find the app info, and then force stop it. But it will return after any reboot.
If you are willing to root your phone (I used Towelroot), in addition to the above you can:
5. Remove the message about the SIM by freezing "Setup Wizard 1.0" using Titanium Backup
6. Using the app "Advanced Signal Status" you can set your phone to LTE/GSM only so it no longer looks for CDMA service
Summary: Changing Verizon S4, Note 3 and S5 phones (as well as the iPhones) to T-Mobile service is not difficult. I switched carriers completely for my entire 5 line contract without changing phones. I now have unlimited data on 4 of the 5 phones (one user does not need much), and my monthly bill is half of my old Verizon service. Yes - HALF.
Click to expand...
Click to collapse
Hey I kinda wanted to know if you could help me out on my issue little problem...I have a unlocked G900V and my problem is
I am on T-mobile network and everything is perfect except when I make a call. here is the forum i made with details, but no solution.
http://forum.xda-developers.com/galaxy-s5/help/sm-g900v-verizon-s5-using-t-mobile-t2890378
Hope you can help me out...if at all. Would appreciate it.
ddarvish said:
i will verify everything he said above as true as i have done the same. i can also verify that you flash a tmobile rom (be sure not to flash any baseband/modem or any other partition) and you can get VoLTE to work etc... The only thing missing is the 2100 MHz radio which means HSDPA+ will not work in all areas but that is a hardware limitation.
Click to expand...
Click to collapse
The Verizon SM-900V does support the 2100MHz radio, Band 4 just has to be enabled. I followed these instructions to get it working properly:
http://forum.xda-developers.com/showthread.php?t=2582747
http://forum.xda-developers.com/showthread.php?t=2530523
Notes: It says it's for the Note 3, but it does work on the Galaxy S5. You will need to use the stock ROM with the stock dialer for this to work.
I was wondering, can you point me in the right direction to a good T-Mobile ROM to try out, that you know will work properly on the 900V? It will have to work on the stock NE9 or NI2 firmware. I just don't have a whole lot of time to test between studying and taking all of these MIT online courses. I can tell you that it really sucks having a locked bootloader though Lol. Thanks in advance!
Where are you guys finding that Android Data Tool? I don't see it on the play store...by any chance, can someone post the apk?

Switching from NV to RUIM on the go

Hello.
Never posted before, but I am a frequent browser/reader here. I hope this is the right forum to post in.
HTC One M8, Rooted, S-Off.
So I have this query: Is if possible to switch from NV to RUIM profile from within the phone?
This is the scenario:
I have two phones with the same company. One has the subscriber profile in a SIM, the other one has it NV. I would like to be able to use both profiles on just one (the M8), by toggling between NV only and RUIM only.
I've successfully tried both the SIM and the NV profile on the M8, switching from one to the other with QPST. No problem there (since they are from the same company, I wasn't expecting any).
So what remains is trying to do it from within the phone itself.
I tried accessing build.prop with root explorer and modifying the "ril.subscription.types=NV,RUIM" to "SIM", and then restarted the phone, but that didn't do anything.
Any ideas?

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