[Q] Verizon Xperia Play Failed to OTA! Please Help!!?? - Xperia Play Q&A, Help & Troubleshooting

I have the Verizon Xperia Play r800x, the bootloader is unlockoed, the phone is rooted and i removed some system apps.
- i did relock bootloader
- i temp removed root
- the apps i removed were, Sims, Tetris, Visual Voice Mail, Skype Mobile
It lets me download the OTA update, after its finished, it reboots my phone and shows that its downloading. but when it turns on its still at 2.3.2 and a blue box pops up saying Update Failed! So im just wondering how can i fix this problem and update??
Any help is appreciated, thank u

Can't OTA if any pre-installed apps are deleted. That includes games.
The only way is gonna be flashing stock and starting over.
Sent from the best phone ever

Thing is, I've seen a fair few posts with this problem now.
I have this problem, but I removed nothing. I froze, then unfroze.
Thinking it could be a bigger problem than people think?

same deal i got failed update don't know what im doing wrong i have bloatware and same, never messed with it but i do have unlocked bootloader can that be the problem?

biggyhead said:
same deal i got failed update don't know what im doing wrong i have bloatware and same, never messed with it but i do have unlocked bootloader can that be the problem?
Click to expand...
Click to collapse
If your bootloader is unlocked or any bloatware is moved/removed, its not gonna work, no matter what.
Theres a thread in general and a thread in development on this already, take a look.

Rogue Leader said:
If your bootloader is unlocked or any bloatware is moved/removed, its not gonna work, no matter what.
Theres a thread in general and a thread in development on this already, take a look.
Click to expand...
Click to collapse
Well, it also depends on which unlock method was used. Mine was unlocked by the testpoint method by Alejandrissimo and I was able to OTA update with no problem. But it is a well-known fact that the other methods will soft-brick if you try to update via OTA.
Sent from my R800x using xda premium

Go to the update thread. On page 51 follow the instructions from Rogue Leader. Did mine last night and have update and root installed.
Sent from my R800x using XDA

Related

Questions, about root.

I've been playing with the thought root or not root, but i'll need to know this few things before taking the final decision.
If i root 2.3.3, will i then still be able to get 2.3.4 and or 4.0 when it comes out, if se will support 4.0.
what does the 4.0.a features have that the 3.0.1.a doesn't have? and what is the difference.
And how easy 10/10 is it to update a rooted phone.
Thats all, i wanna know.
Search is your friend, but anyways...
Unless you have an unlocked/unlockable bootloader, you cannot root v2.3.3 directly.
Rooting doesn't affect updates as long as you don't remove any system files/apps.
e.g. Updating a rooted Rogers phone:
New features: http://forum.xda-developers.com/showthread.php?t=1199597
There's practically no risk since you can always restore the phone to stock using the FlashTool or PC Companion.
Okay, danke. Youve got your thanks up.
BluechipJ said:
Search is your friend, but anyways
Click to expand...
Click to collapse
+1 These questions have been asked so many times.
Sent from my LT15i using XDA App
But what about, if i just want to uninstall bloatware can i then just like unlock the bootloader?
Marzvinet said:
But what about, if i just want to uninstall bloatware
Click to expand...
Click to collapse
Root and remove it, no need to unlock the BL - http://forum.xda-developers.com/showthread.php?t=1133650

2.3.4??? Xperia Play 4g

Does anyone know, or hear anything about an official AT&T 2.3.4 update for the Xperia play 4g and when it will be released?? i had got a random "a software update is availible" message today and when i went to pc companion to download it i was already up to date... ._. and i know Ics isnt due till late April early May for general release...so i thought maybe it was 2.3.4
I've been running 2.3.4 on my xperia play for some time now. I didn't hack it or anything I use AT&T too.
but my Xperia is a Google IO play I donna if that changes things.
Yeah I connect it to my pc and try to update it but it says it's up to date. I have a r800at as well.
benc1213 said:
Yeah I connect it to my pc and try to update it but it says it's up to date. I have a r800at as well.
Click to expand...
Click to collapse
Hello,
Have you uninstalled or frozen any system apps? If so, SE will not let you download any updates. You must restore them for it to work. Either that, or they took the update down. I don't see why they would do that though...
I got the same message yesterday as Black_reign32. I went into the "about phone" section under settings and clicked "check for updates" and it didn't find anything. Now, this could be due to the fact that I am using my r800at on t-mobile. I don't have root, so I haven't frozen any system apps, but I have uninstalled a couple of the apps that came pre-loaded that I didn't want, mainly the att specific ones.
US sexplay owners get the shaft. I have the R800X on Verizon and we're stuck on 2.3.3 as well. You don't realize how far you're left behind until you see that all the goodies (Snapdragon Game Command, PlayStation Store, etc.) Can only be had on devices that have 2.3.4.
I don't want to root, but I don't think I can hold out until next May to get official ICS.
Does, the R800AT have PlayStation pocket?
Sent from my R800x using xda premium
bobbysteels216 said:
US sexplay owners get the shaft. I have the R800X on Verizon and we're stuck on 2.3.3 as well. You don't realize how far you're left behind until you see that all the goodies (Snapdragon Game Command, PlayStation Store, etc.) Can only be had on devices that have 2.3.4.
I don't want to root, but I don't think I can hold out until next May to get official ICS.
Does, the R800AT have PlayStation pocket?
Sent from my R800x using xda premium
Click to expand...
Click to collapse
Well, the deal with ICS is that Sony is releasing it, just like they released 2.3.4. This doesn't mean that AT&T or Verizon will release ICS for our phone. I would recommend either the Sony 2.3.4 signed ROM or the wotanserver.com one. From my understanding, they are the same thing. I'm using the one from wotanserver on my r800at and it's working great! PlayStation Pocket, 2.3.4, the Gamepad works great and no AT&T bloatware. I only root mine to move the big apps off of the internal memory that won't allow it otherwise.
Nucklez said:
Well, the deal with ICS is that Sony is releasing it, just like they released 2.3.4. This doesn't mean that AT&T or Verizon will release ICS for our phone. I would recommend either the Sony 2.3.4 signed ROM or the wotanserver.com one. From my understanding, they are the same thing. I'm using the one from wotanserver on my r800at and it's working great! PlayStation Pocket, 2.3.4, the Gamepad works great and no AT&T bloatware. I only root mine to move the big apps off of the internal memory that won't allow it otherwise.
Click to expand...
Click to collapse
R800x does not have 2.3.4 available at all. (no signed update, no wotanserver update)
Sent from my R800x using Tapatalk
Nucklez said:
Well, the deal with ICS is that Sony is releasing it, just like they released 2.3.4. This doesn't mean that AT&T or Verizon will release ICS for our phone.
Click to expand...
Click to collapse
SE said that they're bringing ICS to Verizon and AT&T Xplays by mid-May. Yes the update is coming from SE, but Verizon and AT&T must "approve" it (translation: add their bloatware and shovelware).
Sent from my R800x using xda premium
shiftylock said:
Hello,
Have you uninstalled or frozen any system apps? If so, SE will not let you download any updates. You must restore them for it to work. Either that, or they took the update down. I don't see why they would do that though...
Click to expand...
Click to collapse
I don't think so. What kind of system apps(examples)?
ok well i unfroze everything, and re installed everything that came stock..... atm im gunna try to plug my phone into the computer and see if i can update that way now... and im gunna take a random shot at this but im guessing i wont be able to install the 2.3.4 generic with a locked bootloader right?
Black_reign32 said:
ok well i unfroze everything, and re installed everything that came stock..... atm im gunna try to plug my phone into the computer and see if i can update that way now... and im gunna take a random shot at this but im guessing i wont be able to install the 2.3.4 generic with a locked bootloader right?
Click to expand...
Click to collapse
Actually you can if you mean the generic north American rom. Its signed so you can install it just fine. That's what I did. I have an AT&T r800at and got rid of the stock firmware and went with the generic. No bloatware for me plus 2.3.4
Sent from my R800a using Tapatalk
So, how did you upgrade? Just download the signed rom and install it through the PC Companion software? Did this wipe your phone/data, or did it preserve it like an OTA would? Also, did it change your R800AT to an R800i or a, similar to how installing certain roms change that? Sorry for all the questions and thanks!
Fuegeaux said:
So, how did you upgrade? Just download the signed rom and install it through the PC Companion software? Did this wipe your phone/data, or did it preserve it like an OTA would? Also, did it change your R800AT to an R800i or a, similar to how installing certain roms change that? Sorry for all the questions and thanks!
Click to expand...
Click to collapse
Used flashtool to flash the file once downloaded to my PC. Yes it wiped the phone clean so backup anything you need before you flash. I backed up the stock games from the at&t version cause they are different on the generic rom. It changed my model to a r800a from r800at. Let me know if you have any other questions.
Sent from my R800a using Tapatalk
How did you back up the games? I assume this process applies to other games that I have purchased/downloaded. Is this the DRM stuff I have heard people talk about?
Do you think changing to an r800a would effect anything important? I am using the play on T-mobile now. I wouldn't think so.
Also, I am assuming this would prevent any OTA to ICS. But, on the same hand, I guess I can always download the signed ROM and re-flash it just like this one.
Do you need root for any of this? I don't currently have root.
Thanks again!
Spectre51 said:
Used flashtool to flash the file once downloaded to my PC. Yes it wiped the phone clean so backup anything you need before you flash. I backed up the stock games from the at&t version cause they are different on the generic rom. It changed my model to a r800a from r800at. Let me know if you have any other questions.
Sent from my R800a using Tapatalk
Click to expand...
Click to collapse
Do you still have HSPA+ support on your phone after shifting from r800at to r800a firmware? And even if the H+ doesn't show up at the top, did your data speeds change at all?
is the 2.3.4 generic rootable? if so ill have no problem restoring **** cuz i use titanium backup
Backedup the stock games by rooting then moving the apk from system/app to the SD card. Once I flashed to generic I reinstalled it using that apk. Use the set InstallLocaton trick to clear up internal space.
You can still root the generic with zerg.
I still get the H+ and didn't notice any change in speeds. Still as fast as with stock.
Sent from my R800a using Tapatalk
Spectre51 said:
Backedup the stock games by rooting then moving the apk from system/app to the SD card. Once I flashed to generic I reinstalled it using that apk. Use the set InstallLocaton trick to clear up internal space.
You can still root the generic with zerg.
I still get the H+ and didn't notice any change in speeds. Still as fast as with stock.
Sent from my R800a using Tapatalk
Click to expand...
Click to collapse
You still get the "H" logo but, if you look closely, the "+" is gone. I'm told that it's still H+ regardless.
whats the process of getting 2.3.4 on the AT&T Play?
i have a locked bootloader and I'm rooted.

[Q] Help with Flashing my Xperia play R800i

Ok hey all So i been reading here on xda for some time.
And i have been reading about the development for the our play and the nice progress the devs been doing with ICS.
My phone is a R800i
Baseband: 8x55A-AAABQMAZM-203028D-56
Kernel: 2.6.32.9-perf [email protected]#1
Version: 4.0.2.A.0.42
Locked Bootloader
Not rooted
No sim lock works with all providers never been locked.
I havn't flashed so much phones in my day, some wm mobiles, and iphones and a lg gt540
So i need some help with what to do
I know the first thing is to unlock bootloader
but after that? If some one could point me to the files i need, just the specefic files just for my phone. And a step by step what to do like flash a rom first then kernel or kernel first then rom and if there is any other files i should use before i flash rom/kernel
And if some nice people could give me some hints on the best ICS rom.
I want this either this one http://forum.xda-developers.com/showthread.php?t=1524159
or http://forum.xda-developers.com/showthread.php?t=1404712
those two seems to the most stable atm. Or if anyone other have suggestions like CM9 or something like that
Cheers!
//Virtualxp
Well I do know is that you don't have to unlock bootloader to root
sent from my Xperia PLAY using XDA Premium
Instructions for flashing the kernel+rom can be found on the threads...Read some more ;P
Nabeel_Nabs said:
Instructions for flashing the kernel+rom can be found on the threads...Read some more ;P
Click to expand...
Click to collapse
I have but hey would be nice if you helped out instead of commenting like that
You said it's sim unlocked, right? If you bought one that isn't carrier locked, you can unlock your bootloader using the guide on the Sony mobile site. After unlocking the bootloader, flash a cwm kernel, and all the possibilities have then been opened.
Seriously though, the guides are easy to find. Google is your friend. Just tell it to search xda specifically.
Sent from a parallel universe
captain67 said:
You said it's sim unlocked, right? If you bought one that isn't carrier locked, you can unlock your bootloader using the guide on the Sony mobile site. After unlocking the bootloader, flash a cwm kernel, and all the possibilities have then been opened.
Seriously though, the guides are easy to find. Google is your friend. Just tell it to search xda specifically.
Sent from a parallel universe
Click to expand...
Click to collapse
Hey yea i been reading alot and i think i know now how it all works think i'll wait for some time. People seem to have alot problems with battery drain =/ Seems it can be fixed through Setcpu. And how about the overlock? i did read that some kernel have the phone overclocked to 2.0 ghz. Does it shorten the life of the phone? Not the battery life but the phone's life?
//Virtualxp
Right I have been doing the same read all the Info available and been on the Sony site check to see if I can unlock the boatloader but that's were I have come unstuck as it's saying that I can't unlock my boot loader. Some help guys would be great the ics update is taking ages and want to play about with my phone.
Sent from my R800i using XDA Premium App
Alex Slane said:
Right I have been doing the same read all the Info available and been on the Sony site check to see if I can unlock the boatloader but that's were I have come unstuck as it's saying that I can't unlock my boot loader. Some help guys would be great the ics update is taking ages and want to play about with my phone.
Sent from my R800i using XDA Premium App
Click to expand...
Click to collapse
Is yours carrier locked? If so, you need to unlock the bootloader with something like omnius or setool.
@virtualxp - Overclocking anything too high will always shorten it's life. Going to 1.4-1.5 ghz shouldn't make a difference, but 2ghz is very high.
For battery drain issues, there are solutions. A lot of people noticed the battery getting worse after the 2.3.4 update, so either they're sticking with older firmware, or mixing builds and kernels.
My phone for example has the 2.3.4 (.42) firmware with a stock kernel from 2.3.3, and a baseband belonging to a separate build altogether. And I managed to combine those without an unlocked bootloader.. Mind you, it was a pain in the ass doing it without getting stuck with boot loop. But this way, I have less battery issues, and I can still use the themes and mods made for the .42 build.
Sent from a parallel universe
Could u tell me how u did it with not unlocking bootloader plz would be very much appreciated. im not a noob to flashing just stuck as i have never unlocked bootloaders befor and mine cnt be unlocked the ways others can as its brand locked thanks
Sirus2012uk said:
Could u tell me how u did it with not unlocking bootloader plz would be very much appreciated. im not a noob to flashing just stuck as i have never unlocked bootloaders befor and mine cnt be unlocked the ways others can as its brand locked thanks
Click to expand...
Click to collapse
In flashtool, there's an option to exclude the kernel and another for baseband. I flashed one firmware, then flashed another while excluding kernel, and then again while excluding the kernel and baseband, using three different ftf files.
For applying themes and mods without unlocking the bootloader, I used the T.E.A.M. locked bootloader recovery installer, and flashed them with the update.zip files through that recovery. You can get it here http://forum.xda-developers.com/showthread.php?t=1437840
Sent from Asgard

[Q] sony noob. feel stupid...

ok guys i just picked up a play for att. sucks cause i have tmobile and wont get the 3/4g data. im almost always in wifi spots anyway so no big deal.
anyway i have already called att and got the phone sim unlocked. now if i think i understand this correctly this should be the order to follow. if you guys can confirm and provide latest links i would appreciate greatly.
1. sim unlock (done)
2. unlock bootloader (not yet)
3. root (not yet)
4. load rom (not yet)
correct??? did i miss anything? any preferred method on any of these? please advise.
thanks!!!
First of all, if you bought a xperia PLAY, you should probably post in the xperia PLAY forums.
Second of all, questions go in the Q & A forum.
To answer your question, that's pretty much the right order.
Sent from my LT15a using XDA
DdcCabuslay said:
First of all, if you bought a xperia PLAY, you should probably post in the xperia PLAY forums.
Second of all, questions go in the Q & A forum.
To answer your question, that's pretty much the right order.
Sent from my LT15a using XDA
Click to expand...
Click to collapse
i deserve the flaming. i did edit my post in hopes that a mod would see and put in the right forum for me.
kdm212 said:
ok guys i just picked up a play for att. sucks cause i have tmobile and wont get the 3/4g data. im almost always in wifi spots anyway so no big deal.
anyway i have already called att and got the phone sim unlocked. now if i think i understand this correctly this should be the order to follow. if you guys can confirm and provide latest links i would appreciate greatly.
1. sim unlock (done)
2. unlock bootloader (not yet)
3. root (not yet)
4. load rom (not yet)
correct??? did i miss anything? any preferred method on any of these? please advise.
thanks!!!
Click to expand...
Click to collapse
yeh, thats right, but you need a recovery after root and before loading rom
TheHaso said:
yeh, thats right, but you need a recovery after root and before loading rom
Click to expand...
Click to collapse
well somewhere along the line i bricked the phone.
i was able to install clockwork recovery. i then tried to install a rom. and it froze for well over 30 min. so now all i can get to is the se logo. cant boot into recovery on boot up at all. how do you check to see if you have an unlocked bootloader?
any chance of restarting over? loading the stock rom?
flash a generic global world img from here
http://forum.xda-developers.com/showthread.php?t=1330314
next time take a backup.
Retrosid said:
flash a generic global world img from here
http://forum.xda-developers.com/showthread.php?t=1330314
next time take a backup.
Click to expand...
Click to collapse
i flashed an ftf world file and now i just have a black screen. no booting up.
If you have unlocked bootloader since I can't figure it out of your posts, flash another kernel
Sent from my Xperia Arc
Retrosid said:
If you have unlocked bootloader since I can't figure it out of your posts, flash another kernel
Sent from my Xperia Arc
Click to expand...
Click to collapse
thats where my problem is i believe. i dont think the bootloader was ever unlocked.
edit: tried rebooting the phone and the flashlight turns on lol but nothing else!
kdm212 said:
thats where my problem is i believe. i dont think the bootloader was ever unlocked.
edit: tried rebooting the phone and the flashlight turns on lol but nothing else!
Click to expand...
Click to collapse
Have you tried to use SE PC companion to restore phone to factory state?
From support start update and click repair phone.
That could bring your phone back to life.
Muurahainen said:
Have you tried to use SE PC companion to restore phone to factory state?
From support start update and click repair phone.
That could bring your phone back to life.
Click to expand...
Click to collapse
ill give that a shot. im willing to try anything now...
no software available...what about flashing an img file? do i need root or the bootloader unlocked for that? if i dont need those items how do i go about flashing the img?
kdm212 said:
ill give that a shot. im willing to try anything now...
no software available...what about flashing an img file? do i need root or the bootloader unlocked for that? if i dont need those items how do i go about flashing the img?
Click to expand...
Click to collapse
That repair button didn't work?
For img flash you can use flashtool.
You don't need root or anything to use flashtool on your phone.
Just pick correct .ftf for your phone and flash it to the phone.
Do normal firmwares work on at&t's 4G version?
Maybe that's the problem
Sent from my iPad 2 using Tapatalk
finally!!! got it i was continuing to search everywhere for an answer and i stumbled upon another guy here on the site that had a similar issue. sooo i went to the site he found, xperiagamer.com and got the att firmware. flashed it and bingo im back!
thanks for all the help and suggestions men. this truly is a great site!
i do have some additional questions though. now that im back to square one im pondering trying again OR just rooting so i can remove the bloatware. if i just go the root method what the best way?
thanks!!!
kdm212 said:
finally!!! got it i was continuing to search everywhere for an answer and i stumbled upon another guy here on the site that had a similar issue. sooo i went to the site he found, xperiagamer.com and got the att firmware. flashed it and bingo im back!
thanks for all the help and suggestions men. this truly is a great site!
i do have some additional questions though. now that im back to square one im pondering trying again OR just rooting so i can remove the bloatware. if i just go the root method what the best way?
thanks!!!
Click to expand...
Click to collapse
If you were rooted before you don't need to re-root unless you purposely unrooted it. IF you aren't rooted anymore superoneclick or the zergrush(however it's spelled) is the easiest. I'm 99% sure you don't have an unlocked bootloader though, so you have very few options. I'd say re-root if you need to and unlock your bootloader so you can flash flash and flash custom roms like crazy
kdm212 said:
well somewhere along the line i bricked the phone.
i was able to install clockwork recovery. i then tried to install a rom. and it froze for well over 30 min. so now all i can get to is the se logo. cant boot into recovery on boot up at all. how do you check to see if you have an unlocked bootloader?
any chance of restarting over? loading the stock rom?
Click to expand...
Click to collapse
It got bricked because you didn't unlock your bootloader.
1.Root your phone
2.Install Recovery
3.Unlock Bootloader
4.FINALLY!! you install a rom okay?
I was a noob too so it's okay now I'm a higher class noob.try flashing your ftf again.
Sent from my R800x using XDA
MrHaPpY66 said:
It got bricked because you didn't unlock your bootloader.
1.Root your phone
2.Install Recovery
3.Unlock Bootloader
4.FINALLY!! you install a rom okay?
I was a noob too so it's okay now I'm a higher class noob.try flashing your ftf again.
Sent from my R800x using XDA
Click to expand...
Click to collapse
well i got the phone back up and running. its now rooted again. i was doing some research. if i understand correctly the att version cannot have the bootloader unlocked. can anyone confirm this?
You need to pay Setool credits in order to unlock the bootloader. Unlocking the bootloader allows you to lose the sin lock as well, so you could have killed two birds with the same stone.
Logseman said:
You need to pay Setool credits in order to unlock the bootloader. Unlocking the bootloader allows you to lose the sin lock as well, so you could have killed two birds with the same stone.
Click to expand...
Click to collapse
ya i just found the website. seems like thats the one everyone is sent to on this site.
im wondering now that im rooted if i can clean this stock rom up enough to use on a daily basis. i mean im using tmobile on the device so sharing internet would only be edge lol. i guess the only thing i really want ics for is that fact that its ics.
open the dial pad and use this code*#*#7378423#*#* . Then go to -> "Service Info" -> "Configuration".
If it says unlock bootloader = no, then you have to use the paid service, if yes, then you can do it for free yourself.

[Q] Upgrading an Unlocked AT&T Samsung Galaxy SIII

I sincerely apologize if this has been asked before. However, after lots of searching, I have been unable to find an answer anywhere.
I am more experienced with iDevices as opposed to Android. With Apple products, as long as the device is not factory unlocked, every time the firmware is flashed, the unlock process will need to be redone.
So, I have an AT&T Samsung Galaxy S3 which is unlocked via an unlock code, and I use it in the Caribbean. I'd like to update to the latest firmware (4.0.4 > 4.1.1) using Samsung Kies, on my desktop. Before I do so, I'd like to know will the phone remain unlocked after flashing the new firmware? Or will I need to unlock once again?
I apologize if this is a stupid question, but I'd just like to be precautious. Thanks for any help in advance.
P.S. My device is rooted. Will this affect the update?
I don't think the update will effect the unblocking....
But why update thru kies when the stock/rooted rooms are found here too??
Kies will have issues updating if your device is rooted.... So just flash the stock rooted images, via Odin program, here on XDA.
Here are the stock/rooted 4.1.1 ROMs with Odin program as well:
http://forum.xda-developers.com/showthread.php?p=28019751
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
jayRokk said:
I don't think the update will effect the unblocking....
But why update thru kies when the stock/rooted rooms are found here too??
Kies will have issues updating if your device is rooted.... So just flash the stock rooted images, via Odin program, here on XDA.
Here are the stock/rooted 4.1.1 ROMs with Odin program as well:
http://forum.xda-developers.com/showthread.php?p=28019751
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Click to expand...
Click to collapse
Alright, thanks. I'll use Odin instead. But can someone give me a definitive answer on whether the update/flashing will affect my unlock?
.Xanadu. said:
Alright, thanks. I'll use Odin instead. But can someone give me a definitive answer on whether the update/flashing will affect my unlock?
Click to expand...
Click to collapse
It won't effect it
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
jayRokk said:
It won't effect it
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Click to expand...
Click to collapse
Thanks.
Unlock
.Xanadu. said:
Thanks.
Click to expand...
Click to collapse
Once a phone is Unlocked with Code it stays Unlocked!!!!!!
tailgunner9 said:
Once a phone is Unlocked with Code it stays Unlocked!!!!!!
Click to expand...
Click to collapse
+1 it will stil remains unlocked
Thanks a lot guys. Appreciate the answers.
Sorry for the double post. However, just updating that I just successfully updated to a fresh install of 4.1.1 from 4.0.4, and my unlock is indeed still intact. So, anyone else who is a n00b like myself, and is worried of the same thing when updating, don't be.
Hello. I am new to samsung. It came from At&t and i unlocked it here in the philippines. And as ive checked the software it is still 4.0 and since i want to update the software it only says communication failed. May i ask if is it possible to update my s3 to the latest version? Im really desperate Thank yooooou.
A phone can be relocked once an unlock code has been entered but this only happens if the phone undergoes a repair and the IMEI is changed.
Also, just to calrify as the original responder has mentioned "blocking". A blocked phone is very different to one that is locked. This might confuse people but just to confirm, if you have a blocked phone, unlocking it won't help. A block is done at network level and stops the phone connecting to any network to make or receive a phone call. A lock is at phone level and simply limits the phone to working on one network only. A lock can be switched from on to off to allow it to work on all networks but a block can only be removed by the networks.

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