[Q] Flashing back to Sprint - Sprint Samsung Galaxy S III

My power button went on my S3. I bought a used logic board and to my surprise it was flashed to verizon.
It came preloaded with CM11. My question is how do I flash it back to Sprint?
Just load a Touchwiz Rom? Or do I need to update the Radios as well?
Can I Just flash the latest ND8?
Current baseband version: L710VPBLJ7
Didn't see any info on here on how to get it back to sprint, only how to take it away.
Any help would be greatly appreciated.

dcmasta said:
My power button went on my S3. I bought a used logic board and to my surprise it was flashed to verizon.
It came preloaded with CM11. My question is how do I flash it back to Sprint?
Just load a Touchwiz Rom? Or do I need to update the Radios as well?
Can I Just flash the latest ND8?
Current baseband version: L710VPBLJ7
Didn't see any info on here on how to get it back to sprint, only how to take it away.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
You would essentially reverse the process you read.
Big thing - make sure your MEID shows the same as the sticker behind the battery or you're going to have an issue trying to activate.
Good luck!

I'm not sure you're going to be able to activate that new logic board on Sprint, as the MEID is tied to the logic board.
Is Sprint allowing activation of old Verizon devices?

dcmasta said:
My power button went on my S3. I bought a used logic board and to my surprise it was flashed to verizon.
It came preloaded with CM11. My question is how do I flash it back to Sprint?
Just load a Touchwiz Rom? Or do I need to update the Radios as well?
Can I Just flash the latest ND8?
Current baseband version: L710VPBLJ7
Didn't see any info on here on how to get it back to sprint, only how to take it away.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
Hey i used to work for Sprint last year, if you try and flash ur phone back to sprint they still wont take it for repair, this is because once a sprint phone is flashed out the ESN number is no longer valid on sprint network, even if u try and use the original esn(meid or whatever), when a rep at sprint store tries to enter the esn when they make a ticket it will come up as invalid, ive come across this before working at sprint, once a phone has been flashed out of sprint no matter what you do even if u try and flash it back it will not work on the network, Now depending on how long you have had it you could try and contacting samsung about it, or take it to a local repair shop and see how much they charge for it, most of the time when the power button goes its pretty easy to fix.

Related

Switching back from Cricket

I am looking at buying an Evo that was flashed over to Cricket. I am wondering how difficult it would be to flash it back to Sprint.
Okay, cool.
I know to call and check the ESN to make sure it is clean
Ikyo said:
I am looking at buying an Evo that was flashed over to Cricket. I am wondering how difficult it would be to flash it back to Sprint.
Click to expand...
Click to collapse
i could be wrong but i am pretty sure cricket just re-provisions the phone. They wouldn't take the risk of a bad flash and ruin the phone. So most likely a hard reset should clear it up and if then just doing a regular stock ruu flash should fix it.
Flash the stock ruu, and load the verizon prl (http://forum.xda-developers.com/showthread.php?t=696073)
after loading the verizon prl, go to software update, update prl.
that will load the sprint prl.
done.
Moved as not Development.

[Q] Will returning to stock clear up no imei?

I've spend the past day or so just reading these forums. There is tons of great information here. So much so that it can be overwhelming. Since I am new here, I thought I would at least ask to make sure I understand before I brick my phone.
I bought a T-999 from someone. The phone works fine but it does have some issues. Primarily, no imei is showing and the counter has been tripped. Since I don't know what this person did to the phone, I assume the best thing to do it to try to take it back to stock and start over.
I've read the sticky thread by DocHoliday and just wanted to make sure I understand before proceeding. I'm not particularly concerned about rooting the phone at this point, just getting it back to stock to see if I can clear up the imei issue and whatever else may have been done to the phone.
I have odin, the USB drivers, and the November Jelly Bean Firmware all ready to go. So now, I should be able to return the phone to stock following the sticky.
Does anyone know if this will also clear up the no imei issue or will I need to do something else to clear up that issue.
Update: Well, that didn't work. In ODIN mode it shows:
Custom Binary Download: Yes (1 count)
Imei still shows: 0/08
Any ideas?
Look in the dev section for imei injection. Only way you will get it back and get HSDPA+ back. No going back to stock will not get it back.
T-Mobile SGS III
mt3g said:
Look in the dev section for imei injection. Only way you will get it back and get HSDPA+ back. No going back to stock will not get it back.
T-Mobile SGS III
Click to expand...
Click to collapse
no is wont i try i t
Go here please http://forum.xda-developers.com/showthread.php?t=2091069

[Q] SOS! Internet super slow! (Should I change modems?)

Im sorry to be asking this (I've searched the forums and google and can't find anything conclusive)
Background:
I have a service contract with AT&T and I'm currently a customer of them. I used to have the Galaxy S4 (i747), and the usb charging port stopped working. I took it into a repair shop where they messed the whole phone up and had to give me back the phone with a whole new board in it, the only problem with the new board it's a board for i747M. I was having issues with the phone being stuck on edge - so I proceeded to unlock it again (I do not trust the work they did, and even thou I had network with my AT&T SIM Card, I had to make sure it was unlocked), I also restored the old IMEI - and after all this I was able to get out of edge.
The problem:
Even thou the phone reports 4G LTE, the internet is super slow!!
I made a speed test and the speeds are at 256 download // 512 upload - WEIRD!
The new board is for i747M - I already restored the IMEI to the one the original board had, I checked my APN and everything is in order.
(Did I missed anything? other than calling the repair shop and scream at them!)
I was wondering if I flash an i747 modem (MJB to be exact, since I'm on 4.3 with MK5), will the speeds improve, or will I brick the phone?
Any help greatly appreciated, I'm desperate!
ugartina said:
Im sorry to be asking this (I've searched the forums and google and can't find anything conclusive)
Background:
I have a service contract with AT&T and I'm currently a customer of them. I used to have the Galaxy S4 (i747), and the usb charging port stopped working. I took it into a repair shop where they messed the whole phone up and had to give me back the phone with a whole new board in it, the only problem with the new board it's a board for i747M. I was having issues with the phone being stuck on edge - so I proceeded to unlock it again (I do not trust the work they did, and even thou I had network with my AT&T SIM Card, I had to make sure it was unlocked), I also restored the old IMEI - and after all this I was able to get out of edge.
The problem:
Even thou the phone reports 4G LTE, the internet is super slow!!
I made a speed test and the speeds are at 256 download // 512 upload - WEIRD!
The new board is for i747M - I already restored the IMEI to the one the original board had, I checked my APN and everything is in order.
(Did I missed anything? other than calling the repair shop and scream at them!)
I was wondering if I flash an i747 modem (MJB to be exact, since I'm on 4.3 with MK5), will the speeds improve, or will I brick the phone?
Any help greatly appreciated, I'm desperate!
Click to expand...
Click to collapse
You are unlikely to brick the phone by flashing the modem alone (although I affirm no guarantees to this effect) unless you try to flash the wrong bootloader and/or ROM. You did not, however, say which ROM your phone is currently on. Is it currently on the I747MVLUEMK5 or I747UCUEMJB? There is always a problem with incompatibility between your modem and ROM respectively which is what you'll have if you flash the MJB model whilst on the MK5 ROM plus, of course, subsequent firmware upgrades may be compromised. Are you sure also it's not an hardware issue you are having and the "repair shop" didn't muck up something on the mother board or install a dud? At this stage, however, I don't see how you have much to lose in trying a different modem. If it doesn't help, you can always go back to the previous one. All discussions about warranty are probably off the table already.
Larry2999 said:
You are unlikely to brick the phone by flashing the modem alone (although I affirm no guarantees to this effect) unless you try to flash the wrong bootloader and/or ROM. You did not, however, say which ROM your phone is currently on. Is it currently on the I747MVLUEMK5 or I747UCUEMJB? There is always a problem with incompatibility between your modem and ROM respectively which is what you'll have if you flash the MJB model whilst on the MK5 ROM plus, of course, subsequent firmware upgrades may be compromised. Are you sure also it's not an hardware issue you are having and the "repair shop" didn't muck up something on the mother board or install a dud? At this stage, however, I don't see how you have much to lose in trying a different modem. If it doesn't help, you can always go back to the previous one. All discussions about warranty are probably off the table already.
Click to expand...
Click to collapse
I'm using S3Rx for i747M (MK5) -- and latest modem for at&t is MJB, but my board it's not AT&T anymore so Im guessing Im not gonna be able to flash the modem
it's too too slow I downloaded the Speedtest.net app and it's reporting: 0.14 Mbps download and 0.10 Mbps upload:crying:

[Q] HELP! My fully flashed Cricket LG G2 is back on Sprint after restore!

My WIFI toggle wasn't working, so rather than troubleshoot the issue, I simply went back to stock, well, in that process my MIN and MDN got reset to Sprint! I was already on Cricket and the ESN is in their network. Any help or suggestions? I can't find a G2 flash guide ANYWHERE, and this was flashed before by a friend.
How did you get it back to Sprint? I'm having the exact opposite problem. I was on cricket and I'm trying to get back to Sprint. They said it couldn't be done.
jackdaburby said:
How did you get it back to Sprint? I'm having the exact opposite problem. I was on cricket and I'm trying to get back to Sprint. They said it couldn't be done.
Click to expand...
Click to collapse
I accepted an OTA update. If you're already up to date, I dunno. Whoever flashed your phone should have made a backup of all the info, if not, I'm not really sure how else, as I don't believe a TOT restore will restore NAM and all those other settings. My G2 is on the new cricket now, the GSM Cricket, so I just flashed a GSM ROM to it and the SIM card slot works now.

Hard bricked Phone

A friend of mine brought his i747 to me to see if I can fix his phone because it was tripping out. I decided to root it and installed CM13. That however created even more trouble for the phone. It changed the device model to T999 and also the imei and baseband where unknown. I tried to return it to stock but I couldn't find any site that has the 4.1.1 or 4.1.2 and only found a link to 4.3. I decided to flash that with odin and the phone became unresponsive after that. Is there away in which I can find this or do I need to get a new mother board?
Where did you get the 4.3 file? Do you have the file name?
gaara22 said:
A friend of mine brought his i747 to me to see if I can fix his phone because it was tripping out. I decided to root it and installed CM13. That however created even more trouble for the phone. It changed the device model to T999 and also the imei and baseband where unknown. I tried to return it to stock but I couldn't find any site that has the 4.1.1 or 4.1.2 and only found a link to 4.3. I decided to flash that with odin and the phone became unresponsive after that. Is there away in which I can find this or do I need to get a new mother board?
Click to expand...
Click to collapse
Do you get any vibrations when trying to power it on? Try to take it apart if you are comfortable and look for any physical damage if it doesn't show anything at all. Sometimes the board is damaged pretty bad but still boots, but restoring/flashing bootloader will completely brick it beyond recovery.
If it does give some response then you can look at the other unbrick threads and try em one by one. Wish you luck! BTW if all fails I have a s3 without a screen but good logicboard and stuff I can sell it to you. Or I could also buy the screen off you if you would like. Just PM me if that is the case. Anyways hope you can unbrick it.

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