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How do I relock bootloader and remove root?

Im trying to take phone back to stock...like fresh out the box fresh. Is there anyway to relock boot loader and remove root?r

FXZ will reflash everything so it's stock, but there's no point in relocking the bootloader - the manufacturer is aware you have unlocked it already .
About the best you can do is flash over that unlocked bootloader logo (after performing the aforementioned FXZ).
Edit - did you search? There's a ton of threads on this topic:
http://forum.xda-developers.com/showthread.php?t=2176949
http://forum.xda-developers.com/showthread.php?t=1908744
http://forum.xda-developers.com/showthread.php?t=2019741
http://forum.xda-developers.com/showthread.php?t=1849345
http://forum.xda-developers.com/showthread.php?t=2249175

Stock rom that doenst loose my bootloader unlock?

Hey guys i was just wondering if there was any way to flash back to stock without loosing my bootloader unlock?

the only way to re-lock the bootloader is by using the fastboot command for it.

This is an interesting question.
I am currently on the latest 4.4.4 and now I would like to try CM 12.x (5.1.).
In case I do not like 5.1, how do I get back to stock without losing the unlocked bootloader?

flashing back to stock will not relock your bootloader. the only way is by fastboot command. so if you an unlocked bootloader there is no need to worry about losing that. you will however lose root which is easy to get back.

Factory reset with unlocked bootloader? (Unrooted)

I unlocked my bootloader but never got around to rooting and won't be bothering now.
Just wondering if it's safe to do a factory reset? I'm not bothered if the bootloader relocks.
Thanks for any help!

unlocking bootloader help

Hello. is it possible to unlock bootloader without wiping the whole device ? I have unlocked it before and later relocked back.

umo4u said:
Hello. is it possible to unlock bootloader without wiping the whole device ? I have unlocked it before and later relocked back.
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No, it is not possible, every unlock will wipe the device.

Few questions about relocking bootloader

I am considering relocking the bootloader for my HTC U12+. I unlocked it a long time ago (out of habit I guess). So my phone is completely running stock without any modifications. I want to relock the phone to get widewine back to L1, so I'll get Netflix updates and such.
A few questions about relocking that I couldn't find an answer to.
1. When I relock the bootloader will it do a factory reset to the phone? I'm asking because unlocking did.
2. If later on I decide to unlock the relocked bootloader again, do I have to get another unlock-code from HTC? Or is unlocking a relocked bootloader a simpler procedure?

So I decided to do the relocking. During the relocking procedure I was being told on the screen that the phone will be wiped if I continue. It remains to be seen how I'll unlock it later on if I want to.

lvl3 said:
I am considering relocking the bootloader for my HTC U12+. I unlocked it a long time ago (out of habit I guess). So my phone is completely running stock without any modifications. I want to relock the phone to get widewine back to L1, so I'll get Netflix updates and such.
A few questions about relocking that I couldn't find an answer to.
1. When I relock the bootloader will it do a factory reset to the phone? I'm asking because unlocking did.
2. If later on I decide to unlock the relocked bootloader again, do I have to get another unlock-code from HTC? Or is unlocking a relocked bootloader a simpler procedure?
Click to expand...
Click to collapse
2. You have to to go through the HTCDev website procedure (not sure if you can reuse the previous Unlock_code.bin file).

is it possible to get "locked bootloader" instead of "relocked bootloader" and get rid of system status modified?

maslaq said:
is it possible to get "locked bootloader" instead of "relocked bootloader" and get rid of system status modified?
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Click to collapse
No.