[Q] how to unroot a phone and claim back warranty? - Nexus S Q&A, Help & Troubleshooting

how to unroot a phone and claim back warranty?

Hi, I'm using Nexus S.
I found on the wiki
http://forum.xda-developers.com/wiki/index.php?title=Flashing_Guide_-_Android
that Nexus S can relock the unlocked bootloader by using this command
fastboot oem lock
I give it a shot. and the bootloader is now locked.
I reboot my phone. The boot up only has a Google logo without the lock icon.
Does it means my phone is now unrooted? and ready to claim back warranty?

My suggestion is to odin back.
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Odin first then re lock bootloader sir.
Sent from my Nexus S using XDA Premium App

sorry, What's odin?

Odin is a windows tool used by samsung support staff to restore their android phones to stock. This is the most complete way to restore your device.
Please note that using odin on your 9023 will change your carrier info to EUR which I did never see in wild!
But honestly, do you really think samsung is checking your devices that exhaustingly? Time's money.

terryhoho said:
sorry, What's odin?
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Click to collapse
I guess this post will help you...
http://forum.xda-developers.com/showthread.php?t=960090
Basically ODIN is the program to be used in order to get the ota or go back to stock condition, you will have to go back to stock recovery. Odin is a program for your pc to flash your phone and can put the stock recovery back.

terryhoho said:
Hi, I'm using Nexus S.
I found on the wiki
http://forum.xda-developers.com/wiki/index.php?title=Flashing_Guide_-_Android
that Nexus S can relock the unlocked bootloader by using this command
fastboot oem lock
I give it a shot. and the bootloader is now locked.
I reboot my phone. The boot up only has a Google logo without the lock icon.
Does it means my phone is now unrooted? and ready to claim back warranty?
Click to expand...
Click to collapse
Do you still have superuser installed?
And if you boot into recovery, is it stock or clockwork?
I did it like this: restored to stock 2.3.3 with nandroid backup. Then i removed superuser. Locked the bootloader. Still had cwm recovery though.
But as soon as i updated to 2.3. 4, the recovery turned stock too.

creativedevil said:
I guess this post will help you...
http://forum.xda-developers.com/showthread.php?t=960090
Basically ODIN is the program to be used in order to get the ota or go back to stock condition, you will have to go back to stock recovery. Odin is a program for your pc to flash your phone and can put the stock recovery back.
Click to expand...
Click to collapse
Hi bro, since it's back to stock and the fastboot being locked. technically my warranty is claimed back? haha

They wont really care about your software. Really.
In the warranty term and condition stated that if only your software is the problem, then you will be in trouble. If not, it's alright.

window7 said:
They wont really care about your software. Really.
In the warranty term and condition stated that if only your software is the problem, then you will be in trouble. If not, it's alright.
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Click to collapse
unfortunately that's not right! i got my NS back on friday (sent it in, because my display is on some parts not reacting on touch any more), with the message, that my warranty is void due to an application, that is able to change system data...(no more information yet, i am still in discussion with the service center)...though i have unrooted and relocked the bootloader?!

Related

[Q] Rooting Nexus S without unlocking bootloader

I've seen many different rooting methods for the nexus s but unfortunately they don't allow rooting without unlocking the bootloader like the samsung vibrant allows is there anyway I can root my phone without unlocking the bootloader?
why I don't want to unloack the boot loader because I'm fine with the stock ROM on my nexus s. I was really into installing ROMs and things with my Vibrant but the Nexus S feels really complete so I feel like I don't need to unlock my boot loader
Also for the first time I have decent signal in my house after switiching from my blackberry to android so I don't wanna change my baseband and my battery life is good too so I don't want to mess with the kernel
Really? You posted in the same incorrect forum twice with the same question cut and pasted. Nice work!
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You know you can re-lock the bootloader with a fastboot command, right? And the little open lock goes away.
i'm sorry i accidentally reposted i pmed the moderator right away because i didn't know how to delete the post and this is the right section its a question...
i just have one question i can relock right but if i do unlock the bootloader will it change my kernel or baseband settings? i really couldn't care about the warranty and such
it's like opening the door....if you do nothing inside, nothing will happen
yes i get that but i can't flash back to the original recovery as of now and so no changes to the kernel and baseband alright thanks!!
also is there some sort of a "ODIN" availabale for nexus s because thats what I used to always flash my samsung vibrant back to stock. will OTA updates be affected if I root and unlock the bootloader?
anishs said:
also is there some sort of a "ODIN" availabale for nexus s because thats what I used to always flash my samsung vibrant back to stock. will OTA updates be affected if I root and unlock the bootloader?
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Click to collapse
Yes you can use Odin with Nexus S, but consider it the last resort because normally you can do everything via adb and fastboot -- that's the advantage of having a Google phone.
For OTA updates, I'm pretty sure it will not work because OTA update requires stock recovery but rooting requires you to flash a custom recovery.
suksit said:
Yes you can use Odin with Nexus S, but consider it the last resort because normally you can do everything via adb and fastboot -- that's the advantage of having a Google phone.
For OTA updates, I'm pretty sure it will not work because OTA update requires stock recovery but rooting requires you to flash a custom recovery.
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Click to collapse
thanks for that reply it explained everything can you just tell me if flashing a custom recovery change my baseband or kernel that's all i need to know now
@anishs no
Sent from my Nexus S using XDA App
thanks to everyone for helping a noob with a nexus s

HELP! Custom under Samsung boot logo

I need to return my phone and ive used the guide to reset my flash counter with triangle away (which was never tripped, just did it for piece of mind), then i used odin and used the stock kernel and stock image to reinstall back to stock. Everything passed but when i boot my phone up right under the samsung logo it still says custom with the unlock logo. How do i get rid of this so i can return my phone back to verizon?
EDIT***** So i re-rooted then installed ez-unlocker and locked the bootloader again. Then reinstalled stock image through odin and all is well now
shortguy088 said:
I need to return my phone and ive used the guide to reset my flash counter with triangle away (which was never tripped, just did it for piece of mind), then i used odin and used the stock kernel and stock image to reinstall back to stock. Everything passed but when i boot my phone up right under the samsung logo it still says custom with the unlock logo. How do i get rid of this so i can return my phone back to verizon?
Click to expand...
Click to collapse
Try locking your bootloader with Ez-Unlock in the play store.
fr8cture said:
Try locking your bootloader with Ez-Unlock in the play store.
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Click to collapse
My phones not rooted so i cant use the app.
I thought using Odin with the stock rom/kernel automatically locks the bootloader?
Sent from my SCH-I535 using xda app-developers app
Jarredw said:
I thought using Odin with the stock rom/kernel automatically locks the bootloader?
Sent from my SCH-I535 using xda app-developers app
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I thought so as well but when I restarted my phone it still said custom. I tried to factory wipe data after I reflashed stock and still didn't work. So I dont know what happened
Tap'n
Wish i could help but i have no idea. I guess your gonna have to try your luck.
techgov8 said:
I thought so as well but when I restarted my phone it still said custom. I tried to factory wipe data after I reflashed stock and still didn't work. So I dont know what happened
Tap'n
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that means your bootloader is indeed locked...look around on the forums a bit! When the custom unlock screen is gone then your unlocked. I believe there is a guide in the dev section that explains this. :angel:
droidstyle said:
that means your bootloader is indeed locked...look around on the forums a bit! When the custom unlock screen is gone then your unlocked. I believe there is a guide in the dev section that explains this. :angel:
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Well when you first boot up a brand new phone it doesn't have the custom on the samsung screen and that's locked
Tap'n
Need to get rid of custom Samsung bootloader screen
techgov8 said:
Well when you first boot up a brand new phone it doesn't have the custom on the samsung screen and that's locked
Tap'n
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. I've tried all the guides and their bot working for me on my galaxy s4 d or s anyone know where I can find a step by step guide I'm a noon on rooting
garygnobriga said:
. I've tried all the guides and their bot working for me on my galaxy s4 d or s anyone know where I can find a step by step guide I'm a noon on rooting
Click to expand...
Click to collapse
Wait hold up if you have an s4 why are you on the S3 forums? I am assuming you have at&t , T-Mobile or Sprint go to those threads as it makes much more sense to do that.

[Q] Broke screen, How can I re-lock bootloader and restore?

I dropped my phone last night and broke the screen and can no longer see anything. I know I can restore with Odin but how can I re-lock the bootloader without being able to see the screen?
mbmlsx said:
I dropped my phone last night and broke the screen and can no longer see anything. I know I can restore with Odin but how can I re-lock the bootloader without being able to see the screen?
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Click to collapse
restoring the completely stock odin file should relock the bootloader as well.
Thanks!
no it dont lock the bootloader you have to push the stock aboot.img via adb since you cant see your screen, then power off and odin back to stock. on a side note i doubt they will even check to see if your bootloader is unlocked.
Neverendingxsin said:
restoring the completely stock odin file should relock the bootloader as well.
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Click to collapse
That does not re-lock yor bootloader. You have to use ez-unlock to relock it then flash stock image
Tap'n
droidstyle said:
no it dont lock the bootloader you have to push the stock aboot.img via adb since you cant see your screen, then power off and odin back to stock. on a side note i doubt they will even check to see if your bootloader is unlocked.
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Thanks but where can i find the stock aboot.img? I looked through your all in one guide but couldnt find anything about adb the stock boot or the file.
mbmlsx said:
Thanks but where can i find the stock aboot.img? I looked through your all in one guide but couldnt find anything about adb the stock boot or the file.
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Click to collapse
pull the stock aboot.img from the ez-unlock app with file manager or something equivalent and put it on the root of your sd card. i forget the command to push with adb, but there is some info around here on it. ill check around and see if i can find it.
when you open link click on old info!
http://forum.xda-developers.com/showpost.php?p=30274259&postcount=1
Why even restore to stock. Insurance does not care if its rooted and unlocked nor will Samsung if your sending it in for repairs.
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johnnilsson said:
Why even restore to stock. Insurance does not care if its rooted and unlocked nor will Samsung if your sending it in for repairs.
Sent from my SCH-I535 using Tapatalk 2
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True. Just trying to cover my ass just in case.
Run it over with your car.
Sent from my SCH-I535 using Tapatalk 2
Actually I'm pretty sure you will be in "locked" status just from doing Odin with a full factory image. Its exactly how I relock. It flashes the new boot.img and if you use the ez-unlock app afterwards, it shows as locked. Imagine it as still having unlock capabilities with aboot, but still being in locked status. For all intensive purposes, you're locked.
Don't worry about it, your not claiming warranty. In this instance it does not matter at all. Your having the hardware itself being repaired at a cost to you, or your making an insurance claim on a physically damaged device. Either way there is no software related issues that your claiming therefore root is completely irrelevant.
And remember, rooting is not illegal, it just voids your warranty if you screw something up software related.
Sent from my VZW GS3 running Synergy/Trinity/Dark Horse Rises
TechSavvy2 said:
Actually I'm pretty sure you will be in "locked" status just from doing Odin with a full factory image. Its exactly how I relock. It flashes the new boot.img and if you use the ez-unlock app afterwards, it shows as locked. Imagine it as still having unlock capabilities with aboot, but still being in locked status. For all intensive purposes, you're locked.
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Click to collapse
i thought this at one time but its not true...going back to stock does replace boot.img(kernel), but not the aboot.img(bootloader). you have to lock with the ez-unlock app or push the secure aboot.img via terminal or adb.
droidstyle said:
i thought this at one time but its not true...going back to stock does replace boot.img(kernel), but not the aboot.img(bootloader). you have to lock with the ez-unlock app or push the secure aboot.img via terminal or adb.
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drioidstyle is 100% correct guys and gals.... I have performed tests on 3 different S3's to confirm.... Follow his instructions in that thread.... Edit: It is Brian Gove's thread in this same forum...
Next time just say you dropped it in a lake or the ocean. That way you have nothing to return and you have a extra battery

[Q] Yellow triangle of death?

Got the yellow triangle with " unauthorized software found on your device. Return to authorized Verizon dealer." I was trying to return this to stock and the directions on Odin said the bootloader had to be locked. I took the EZunlock and locked it back then all hell broke loose. Any ideas?
ergon said:
Got the yellow triangle with " unauthorized software found on your device. Return to authorized Verizon dealer." I was trying to return this to stock and the directions on Odin said the bootloader had to be locked. I took the EZunlock and locked it back then all hell broke loose. Any ideas?
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Click to collapse
where did u read the bootloader had to be locked? all u need to do is odin back to stock, root, unlock bootloader.
All you need to do is download Odin, and and whatever tar file you want, boot phone into download (volume down, home, power), select yes when it asks are you sure, open Odin, select the tar file and start. Easy schmeasy
Sent from my SCH-I535 using xda app-developers app
ergon said:
Got the yellow triangle with " unauthorized software found on your device. Return to authorized Verizon dealer." I was trying to return this to stock and the directions on Odin said the bootloader had to be locked. I took the EZunlock and locked it back then all hell broke loose. Any ideas?
Click to expand...
Click to collapse
You rebooted your phone after locking the bootloader. You shouldn't have done that. Your issue isn't unfixable tho, not by any means. IIRC VRALF2 I'm pretty sure is the only stock image that doesn't re-lock the bootloader(I haven't tested all of them). If you choose VRALG1 that will re-lock the bootloader for you when you flash it, it did for me the other day when I started over.
Just boot into download mode and flash the G1 thru Odin then do a factory wipe and you should be fine. I'm 99% sure you didn't trip the flash counter doing this, someone else chime in on this please?
And make sure you use PDA mode when you use Odin and don't unplug your phone from it until it says finished(even if it says removed, let it continue rebooting and doing its thing before unplugging. The Start and Cancel buttons should 'come back to life' when it's ok)
This might be the source the OP was referring to:
http://forum.xda-developers.com/showthread.php?t=1867253&highlight=odin+to+stock
Although it clearly says to NOT reboot after re-locking your bootloader, it does say that the first step is to lock it before flashing to stock via Odin. Further down in the thread he says he'll remove it from the guide, but I don't think flashing stock via Odin locks the BL so if youre trying to return it to Verizon I would lock it first.
nghtrain88 said:
This might be the source the OP was referring to:
http://forum.xda-developers.com/showthread.php?t=1867253&highlight=odin+to+stock
Although it clearly says to NOT reboot after re-locking your bootloader, it does say that the first step is to lock it before flashing to stock via Odin. Further down in the thread he says he'll remove it from the guide, but I don't think flashing stock via Odin locks the BL so if youre trying to return it to Verizon I would lock it first.
Click to expand...
Click to collapse
Certain stock images do. I've had g1 lock and I've read that he will to.
Don't get me wrong, locking it yourself prior to flashing thru Odin is a good thing to do just to make sure. It's easier than having to re-root just to lock it then flash all over again.
Brian Gove said:
Certain stock images do. I've had g1 lock and I've read that he will to.
Don't get me wrong, locking it yourself prior to flashing thru Odin is a good thing to do just to make sure. It's easier than having to re-root just to lock it then flash all over again.
Click to expand...
Click to collapse
the only stock rom i have found that locks the bootloader is vralhd... are you sure g1 locked your bootloader because i thought we had this conversation already lol? unless your returning the device, why would you even want to lock it back up?
droidstyle said:
the only stock rom i have found that locks the bootloader is vralhd... are you sure g1 locked your bootloader because i thought we had this conversation already lol? unless your returning the device, why would you even want to lock it back up?
Click to expand...
Click to collapse
Yeah, I meant HD, not HE.
We did, but that was when I flashed F2. F2 doesn't lock it, but a week or so ago I had to flash back to stock to start over, used G1 and it re-locked my bootloader on me.
One of these days when I'm bored I'll sit down and try them all just to double check too.
cvbcbcmv said:
Don't over think it. This is simply happening because the bootloader is locked and your trying to run a custom rom. Just restore to stock and you're fine.
Sent from my SCH-I535 using Tapatalk 2
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Click to collapse
I am having the same issue but when I go to restore back to stock Odin says it has completed 100% but when the phone reboots I get the triangle again. Please help.
i get this very same problem with with yellow triangle when i try to flash a rom it happend to me 2 times so i had to odin back any ideas why it happens when i try to flash a rom
Bootloader is locked
Sent from my SCH-I535 using xda app-developers app
Verizon note 2 will not go into download just yellow triangle
Okay bye hope someone can help me I rooted my galaxy note 2 by Verizon with framaroot and didn't realize the boot loader was locked and try to download ROM manager and it locked my phone up all I got was a yellow triangle said that they did not recognize a program then I did Adam's way of returning to stock with casual will not read it so then I found the root66_vzw..... same as stock but rooted and unlock boot loader and I flashed it and the pit file that went with it using Odin. It said pass when everything was done it upload bar on the phone I seen it on the screen and when it went to reset then it come back to the same Verizon yellow triangle and now I can't get it to going to download mode or do anything at all except for when I plug in the cable to my computer the yellow triangle come on. Can someone help?? Please I really we'd love to have my phone back! I would appreciate it very much thank you sincerely
worknman69 said:
Okay bye hope someone can help me I rooted my galaxy note 2 by Verizon with framaroot and didn't realize the boot loader was locked and try to download ROM manager and it locked my phone up all I got was a yellow triangle said that they did not recognize a program then I did Adam's way of returning to stock with casual will not read it so then I found the root66_vzw..... same as stock but rooted and unlock boot loader and I flashed it and the pit file that went with it using Odin. It said pass when everything was done it upload bar on the phone I seen it on the screen and when it went to reset then it come back to the same Verizon yellow triangle and now I can't get it to going to download mode or do anything at all except for when I plug in the cable to my computer the yellow triangle come on. Can someone help?? Please I really we'd love to have my phone back! I would appreciate it very much thank you sincerely
Click to expand...
Click to collapse
We don't have a Note 2 go to the Note 2 forums to get help.

System software not authorized by Verizon Wireless has been found on your phone

Gang,
I rooted the phone, but I thought I unlocked the bootloader, but apparently it didn't work, when I boot the phone I get the error with a Yellow Triangle! -“System software not authorized by Verizon Wireless has been found on your phone. Please turn off phone and go to the nearest Verison Wireless Store for Help.
I've tried going into ODIN, with Down/Home and Power, but the phone only vibrates, when I press up, with blank screen.. If I wait for the "“System software not authorized by Verizon Wireless has been found on your phone. Please turn off phone and go to the nearest Verison Wireless Store for Help." It just sits there no change..
Is there any other way to unbrick the phone, did something change? I've done this to many other S3's but this one is giving me the flucks..
in the top left hand corner with verizon message is error in red: Secure Fail: Kernal
You softbricked. Odin back to the vzw. Then root again and unlock bootloader this time
Sent from my SCH-I535 using Tapatalk
Lehocki said:
You softbricked. Odin back to the vzw. Then root again and unlock bootloader this time
Sent from my SCH-I535 using Tapatalk
Click to expand...
Click to collapse
Thats the issue I can't get odin working,
morbeious said:
Thats the issue I can't get odin working,
Click to expand...
Click to collapse
Try to boot into download mode again, but hit down instead of up to see if you can bypass the check and get into the system. If you can all you have to do is use ez unlock.
Sent from my SCH-I535 using Tapatalk 2
Oh god, I got this message when I first did my phone. Literally had it for 10 minutes and just about died. Pull your battery, it'll boot into system. Then there's an app called EZ-Unlock. Use that and you'll be good.
DubleJayJ said:
Oh god, I got this message when I first did my phone. Literally had it for 10 minutes and just about died. Pull your battery, it'll boot into system. Then there's an app called EZ-Unlock. Use that and you'll be good.
Click to expand...
Click to collapse
Thats what I had done too while rooting my phone. EZ-Unlock fixed the the yellow triangle and unlocked my bootloader. No worries don't panic you just need to unlock your bootloader
morbeious said:
Thats the issue I can't get odin working,
Click to expand...
Click to collapse
Are you using a usb 3.0 port on your computer? Odin only works like 10% when I use a 3.0 port. Otherwise I would just try redownloading odin and right click on it and run as administrator.
Idk which method you used to root and unlock your bootloader but this always works for http://forum.xda-developers.com/showthread.php?t=2332825 I only use odin for flashing back to stock, I've had occasional fails when rooting or unlocking the bootloader.
But you only soft bricked your phone so it's fixable. Verizon just puts that's message there to scare people so you have to go in, be told your warranty is void and have to buy a new phone.
I will try a 2.0 usb, but are you daying the device should be found via odin even if the up/done home key combonation doesn't work?
Sent from my SCH-I605 using XDA Premium 4 mobile app
Does anyone have a link to a stock odin. There is a sticky under development section and when I flash the Odin file I still have root. Im hvaing issues with the same message and I've tried unlocking bootloader. When I odin using the .tar file the rom still has superuser on it. Am ibdoing somethinh wrong? Im looking forba stock odin with no superuser or anything so I can flash custom ROMS again.
Sent from my SCH-I535 using xda app-developers app
I did this a few times as well. All you have to do is follow the steps here to flash the bootchain. -- http://forum.xda-developers.com/showthread.php?t=2046439 Easy as pie and you should be back up in no time.

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