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Relock and return to S-On for Warranty replacement?

OP Bammeh

18th April 2014, 06:32 AM   |  #1  
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I'm on an AT&T Htc one M8 and I have unlocked, rooted and S-Off(With firewater). Tomorrow I will be taking it into the store to swap it out due to a build defect.

So far I have backed up in TWRP, Titanium Backup and copied my SD card onto my computer. I just need to return to S-On and then lock the phone again and return to stock. Can anyone point me on how to do this?
18th April 2014, 06:53 AM   |  #2  
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http://forum.xda-developers.com/show....php?t=2701376

Find your ROM in this collection and flash that. First restore the ROM backup in twrp recovery then flash the stock recovery (fond in same the same thread) in fastboot.

If you need to, remove Tampered logo from bootloader:
MUST BE S-OFF

http://forum.xda-developers.com/show....php?t=2708565

Locking the bootloader
MUST BE S-OFF

http://forum.xda-developers.com/show....php?t=2708571

Edit: did some searching and this is the command to turn s-on

fastboot oem writesecureflag 3

You should double check this as this is my first HTC phone that I'll be rooting so I don't have a lot of experience with s-off/s-on. From what I've read people say you shouldn't go back to s-on if s-off due to risk of bricking so be careful. Make sure you know what you're doing.

Sent from my HTC One_M8 using xda app-developers app
Last edited by otariq; 18th April 2014 at 07:11 AM.
18th April 2014, 08:29 AM   |  #3  
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Yes it avoid warranty.
18th April 2014, 08:39 AM   |  #4  
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Quote:
Originally Posted by otariq

http://forum.xda-developers.com/show....php?t=2701376

Find your ROM in this collection and flash that. First restore the ROM backup in twrp recovery then flash the stock recovery (fond in same the same thread) in fastboot.

If you need to, remove Tampered logo from bootloader:
MUST BE S-OFF

http://forum.xda-developers.com/show....php?t=2708565

Locking the bootloader
MUST BE S-OFF

http://forum.xda-developers.com/show....php?t=2708571

Edit: did some searching and this is the command to turn s-on

fastboot oem writesecureflag 3

You should double check this as this is my first HTC phone that I'll be rooting so I don't have a lot of experience with s-off/s-on. From what I've read people say you shouldn't go back to s-on if s-off due to risk of bricking so be careful. Make sure you know what you're doing.

Sent from my HTC One_M8 using xda app-developers app

Will the store accept it back if it is S-OFF, though? Do they even check?
18th April 2014, 08:49 AM   |  #5  
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Quote:
Originally Posted by Bammeh

Will the store accept it back if it is S-OFF, though? Do they even check?

I'm not sure man. I returned mine to T-Mobile for the speaker grill problem and they didn't even turn it on. I'd probably return it to fully stock just in case HTC looks at it. I don't know why turning s-on back on is a risk. You might wanna ask around before doing it. Ask in the locking bootloader thread I linked maybe they can help you

Sent from my HTC One_M8 using xda app-developers app
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