Returning Phone - T-Mobile Samsung Galaxy S II SGH-T989

I rooted my phone and played around with it for a bit but decided I wanted to return it. Is there a quick and easy way to unroot and go back to stock? All i've done was root it, get CWM on it and then backed up.

Download a stock rom from the general section (preferably one from your carrier) and flash it with odin.

tazmania12345 said:
I rooted my phone and played around with it for a bit but decided I wanted to return it. Is there a quick and easy way to unroot and go back to stock? All i've done was root it, get CWM on it and then backed up.
Click to expand...
Click to collapse
Search the dev section. There is also some stickies.
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you should also reset your counter to be ultra safe. Not sure if they even check that other than for warranty purposes.
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ODIN is the answer
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Related

Guide to unroot GS2?

I've been searching and have yet to find a complete guide or one stop shop for unrooting and putting back to factory. I'm rooted with beastmod, synergy kernel, and cwm recovery. I do not have a stock .tar or nandroid backup. Can anyone help with providing instructions on how to do this? I want to be unrooted, stock rom, and stock recovery. Basically like how it was out of the box.
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If your trying to get your phone back to its stock state try HERE
joemm said:
If your trying to get your phone back to its stock state try HERE
Click to expand...
Click to collapse
Very nice, thank you. This gets rid of root correct? Samsung updates will be pushed to the phone everything properly functioning?
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donniestarko said:
Very nice, thank you. This gets rid of root correct? Samsung updates will be pushed to the phone everything properly functioning?
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Click to expand...
Click to collapse
Yes, back to compete stock.
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quickest way to go back to stock

My friend is currently running cm10 on her phone and has asked me to make it stock again. She wants root gone completely as well as cwm. What would be the easiest way to unroot this device. If anyone has a thread that can point me in the right direction it would be much appreciated. I knew how to do it when it was gb but i haven't messed with this device since then and she is on jb now and I am not sure what I need to do or where the gs2 is actually at with stock kernels. SO much going on i cant keep up anymore haha.
Just Odin back to a stock rom. There is a sticky thread with everything you need in development.
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DEF3NDER said:
Just Odin back to a stock rom. There is a sticky thread with everything you need in development.
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Click to expand...
Click to collapse
Yup and here it is.
http://forum.xda-developers.com/showthread.php?t=1903252
Put phone in download mode and flash the unrooted one click.
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BluesRulez said:
Yup and here it is.
http://forum.xda-developers.com/showthread.php?t=1903252
Put phone in download mode and flash the unrooted one click.
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Click to expand...
Click to collapse
I'm getting ready to revert my phone to stock, but I haven't used Odin for a while. The one click file has a .7z extension. Will it need to be unzipped with 7zip before using Odin?
Yes unzip it and open the odin package included within.
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If you want an .EXE instead, here's the one click for current version (FI27).
Quick question...need answer asap. Helping out cousin who has to go back to sprint store b4 8pm.
He has to go back to stock unrooted for sprint to replace his phone. My question is, will flashing the stock odin tar for FI27 replace the recovery also? If not, is it any way to get back the stock recovery?
bds120 said:
Quick question...need answer asap. Helping out cousin who has to go back to sprint store b4 8pm.
He has to go back to stock unrooted for sprint to replace his phone. My question is, will flashing the stock odin tar for FI27 replace the recovery also? If not, is it any way to get back the stock recovery?
Click to expand...
Click to collapse
it flashes stock recovery..
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New gs3 user rooting this phone for first time

Hey guys, and so you know, I have rooted my vibrant, but i just have a few questions i could not find the answer to,weirdly
1. Factory unlock needed? Is there a different root procedure ( wouldnt be suprised)
2. The possibility of hardbricking, high or low.
3. Can I restore a backup of a different version of android if possible, and do i just need to wipe cache etc to flash the same version of android.
Thanks in advanced and sorry if this is noobish, just dont really have a lot of time due to school.
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iKoolkid said:
Hey guys, and so you know, I have rooted my vibrant, but i just have a few questions i could not find the answer to,weirdly
1. Factory unlock needed? Is there a different root procedure ( wouldnt be suprised)
2. The possibility of hardbricking, high or low.
3. Can I restore a backup of a different version of android if possible, and do i just need to wipe cache etc to flash the same version of android.
Thanks in advanced and sorry if this is noobish, just dont really have a lot of time due to school.
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
1. Factory unlock...? The easiest way (at least for me) was using Odin to inject root into stock ROM.
2. As with any tinkering/modding with any Android device, there is always a risk of hard bricking, but if you follow the procedures carefully, you shouldn't run into any issues.
3. Not sure what you really mean, but as i always say, it's always best to flash fresh (full wipe)
hope this helps, good luck!
1) unlock not needed but if you want u can do it for free; check general section
2) less possibility of hard bricking unless u flash rom for different phone ; dont forget to backup imei number ; high possibility of loosing it.
3) restore from diffwrent version highly not recommend if you want bug free phone.
And that is how you turn you're soon to be rooted phone into a rocket ship with fireworks coming out of it!
With rainbow sprinkles!
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And also, i want confirm because my friend said clockwork will be wiped after first reboot after using, is this true? Or does is stay for as long as you wish.
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Umm, the clockwork recovery? It stays forever.
Sent from my SGH-T999 using xda app-developers app
Hey man. Welcome over to this side of the fence.
The Recovery gets saved into the recovery partition and will stay until you switch it out with another (TWRP) or stock. So that is a non-issue.
Being a fellow ex-Vibe user, I understand your questions. Same as the Vibrant you can flash/restore laterally and not have any issues as long as you wipe, reset, usual stuff. But also same as the Vibrant, you should not go from ICS to JB or JB 4.2 and back without a clean install (can always upgrade but going back is where issues come into play). And by clean install I mean Odin to reset the proper partitions. That is another thing. You should probably update your Odin. There is a thread around here with it or just get your Google on.
If you are on stock TWiz, you can use (your recently updated) Odin to flash mrRobinson's Root66 and it will be stock ROM but with Root. Way easier than the Update.zip scene we had on the Vibrant.
Another thing is that the internal is set up differently. The internal is set up as a /data/media partition. This means that if you Factory Reset with the Stock recovery, you will effectively wipe your whole internal SD. However, if you use CWR or TWRP, they won't wipe your internal SD unless you Format Data. I learned that the hard way on my tablet about a year ago.
Good luck
*formerly known as Woodrube
iKoolkid said:
And also, i want confirm because my friend said clockwork will be wiped after first reboot after using, is this true? Or does is stay for as long as you wish.
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Click to expand...
Click to collapse
clockwork will stay forever unless you ODIN back to stock, which will replace clockwork with the stock recovery
WOODY! Glad to see you here. I missed your advice. Anyway, thanks for everything and i may root soon.
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Im also new looking to root, will rooting wipe everything in my internal? pix, vids, songs, sms etc? Sorry not exactly clear on the root process for this phone, also had vibrant (easiest way to root ever) and sensation (not hard either). But this is kind of confusing like I have to flash a fw thru odin that already has root?
aamir123 said:
Im also new looking to root, will rooting wipe everything in my internal? pix, vids, songs, sms etc? Sorry not exactly clear on the root process for this phone, also had vibrant (easiest way to root ever) and sensation (not hard either). But this is kind of confusing like I have to flash a fw thru odin that already has root?
Click to expand...
Click to collapse
Its not the only way to root it, but if you do it that way you won't lose things in your SD anyway, only your data like apps and stuff.. An easier way is to just flash clockwork mod and flash superuser which will give you root, it will however trip your flash counter.. I've done it both ways
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serio22 said:
Its not the only way to root it, but if you do it that way you won't lose things in your SD anyway, only your data like apps and stuff.. An easier way is to just flash clockwork mod and flash superuser which will give you root, it will however trip your flash counter.. I've done it both ways
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
will flashing cwm recovery then su then using triangleaway to reset meter be good? As in my counter will be back to where it is right now?
aamir123 said:
will flashing cwm recovery then su then using triangleaway to reset meter be good? As in my counter will be back to where it is right now?
Click to expand...
Click to collapse
Technically yes, but if you go that route I would stay away from resetting it unless you really need to
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Btw with this counter does the number go up every time you flash a rom?
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daxecutioner24 said:
Btw with this counter does the number go up every time you flash a rom?
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Click to expand...
Click to collapse
Yes
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daxecutioner24 said:
Btw with this counter does the number go up every time you flash a rom?
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Click to expand...
Click to collapse
LoopDoGG79 said:
Yes
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Click to expand...
Click to collapse
No it does not
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[Q] Help please possible brick :(

Hey guys so i rooted my phone using odin and was attempting to put on cyanogen mod 10.1 when it failed and i restored to factory settings. then i thought ill restore to my previously saved backup and it stayed at the samsung screen that lights up behind the white lettters. now i tried going into recovery mode and restoring to factory and also tried clear cache and delvik cache. only problem is it still got stuck at the samsung screen so i then tried to reroot it on obin but since there was a binary count of 1 it didnt work what can i dooo
binary count wouldn't stop anything from flashing. after flashing a stock rom with odin again, make sure to go directory into recovery to wipe data/factory reset and then boot up the phone.
I got it working then I tried to put cyanogen 10.1 on and it crashed again idno what the deal is I put it on sd card and loaded it with root manager
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root manager? or rom manager?
sent from my I747
Don't use rom manager to flash a rom. Odin back to stock (Samsung devices are special that way) or use one of the root injected firmwares in one of the stickies in the development section. Once you get set up, download goo manager from the play store (you must be rooted to use it). From the menu of goo manager install recovery script, you will then have twrp recovery installed. Then follow the instructions in the op for the rom you want to flash. If this seems foreign to you then Odin back to stock and stay there. If you want to continue to modify your device read and read some more. Tony stark has a thread with all the information you need. Just Google search.
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Rom lol sorry was flustered. That all does sound beyond me I thought it would be easier to install a rom
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tsoby said:
Rom lol sorry was flustered. That all does sound beyond me I thought it would be easier to install a rom
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Click to expand...
Click to collapse
It is easy once you do it once. First time can be overwhelming. I'm a visual learner so I found a YouTube video for the phone and followed it step by step. Now I'm almost flashing them in my sleep. :thumbup:
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So I know I'm rooted right now on my s3 so do I have to go back to stock and reboot it before I flash a rom? Or can I just do it like in the video now and flash it from recovery mode
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Just odin to stock and reroot, reflash recovery, and restore backup
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okay will doo
so it bricked trying to install the cyanogen mod again i just want to go back to stock unrooted lol how can i do this? can only get into download and recovery mode and my backup wont work for some reason
alright so unbricked it and dont ever wanna root again haha ill wait for samsung to release updates from here on out lol
tsoby said:
alright so unbricked it and dont ever wanna root again haha ill wait for samsung to release updates from here on out lol
Click to expand...
Click to collapse
Thats how we learn lol.
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tsoby said:
so it bricked trying to install the cyanogen mod again i just want to go back to stock unrooted lol how can i do this? can only get into download and recovery mode and my backup wont work for some reason
Click to expand...
Click to collapse
It's only a soft brick. As long as you can get into download mode you can use Odin to return to stock.
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I really do want to run 4.2.2 but don't want to brick it again is there a really cool proof guide I could read
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Good guide* was watching TV typig what I was hearing woops
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Goto dev section stickies and read the rooting guide. Then follow directions step by step in the room you want op's.
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Well the first time i rooted it and followed the instructions it bricked and kept bricking lol so idno how to do it now
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tsoby said:
Well the first time i rooted it and followed the instructions it bricked and kept bricking lol so idno how to do it now
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Click to expand...
Click to collapse
If it was bricked you don't get a chance to keep bricking it. Stay with stock until you feel more comfortable with the process.
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Yeah I have read a lot I feel like I did it right that's the frustrating part
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Cant update.

Hey guys, im having a bit of an issue. I cant check for software updates because my device has been modified. Is there a fix for this, even after I Flashed the stock tar file, it still gives me this message :/ I have only flashed one ROM on this device, but since I forgot to make a back-up I resort to using Odin when I want to get back to stock. Now I read on another thread that root could be a cause, so I figured, complete restore with with Odin would help, but instead I get the same message.
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You need to use Triangle Away to reset the flash counter.
This thread will show you how to.
http://forum.xda-developers.com/showthread.php?t=2336392
There's no update right now anyway from T-Mobile that I'm aware of.
So I need to root again?
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AtrixNo4g said:
So I need to root again?
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Click to expand...
Click to collapse
Yea, you need root to use Triangle Away. After you reset the counter, just flash back to stock.

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