Relocking Bootloader V20j? - T-Mobile LG V10 Q&A, Help & Troubleshooting

Hi, I awant to root my H901 by unlocking bootloader (V20J). However, my concern is can it be locked again as I will sell it after a month or so and I don't want any bootloader unlock alert at startup? Has anyone tried to relock? Plz let me know, thanks.

Waxim1 said:
Hi, I awant to root my H901 by unlocking bootloader (V20J). However, my concern is can it be locked again as I will sell it after a month or so and I don't want any bootloader unlock alert at startup? Has anyone tried to relock? Plz let me know, thanks.
Click to expand...
Click to collapse
To relock the bootloader follow the following instructions:
Put your phone under the fastboot mode
enter the following commands: fastboot oem lock
Keep in mind that while your boot-loader is locked, you will not be able to root or flash ROMs to your phone.

jun19inf said:
To relock the bootloader follow the following instructions:
Put your phone under the fastboot mode
enter the following commands: fastboot oem lock
Keep in mind that while your boot-loader is locked, you will not be able to root or flash ROMs to your phone.
Click to expand...
Click to collapse
Thanks. Yes I can unlock the bootloader again to gain root but I have read in unlock thread guide that relocking might have unknown results. Have you or anyone else tried relocking personally?

Waxim1 said:
Thanks. Yes I can unlock the bootloader again to gain root but I have read in unlock thread guide that relocking might have unknown results. Have you or anyone else tried relocking personally?
Click to expand...
Click to collapse
You should not re-lock you bootloader if you have root but if you are going to trade in your phone or sell it then you should definitely re-lock your bootloader after you flash a stock ROM.

Bump..... Anyone successfully relocked bootloader without any error and got rid of unlocked bootloader at startup?

jun19inf said:
You should not re-lock you bootloader if you have root but if you are going to trade in your phone or sell it then you should definitely re-lock your bootloader after you flash a stock ROM.
Click to expand...
Click to collapse
I successfully locked bootloader, thanks.

Related

[Q] Lost fastboot and bootloader locked

Hi,
I was in stock IO limited 3.1 and flashed Task 7.1 first and Overcome ROM (latest) to give it a try.
After Overcome I realized that I had no longer access to fastboot option in bootloader, only revocery and odin. I think the problem came here:
http://p7510.teamovercome.net/?page_id=18
http://p7510.teamovercome.net/wp-content/uploads/2011/09/odin2.png
Also I lost nvflash posibility, getting rmc 0x4 error all the time (guess it is locked)
Is there anyway to get fastboot back? or to unlock bootloader so I can get trough nvflash?
Now I am trying this threat http://forum.xda-developers.com/showthread.php?t=1119492
But cannot get fastboot or nvflash to work
Thanks in advance
i will be waiting for an answer as well. My bootloader was locked by the touchwiz update
inline4 said:
i will be waiting for an answer as well. My bootloader was locked by the touchwiz update
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Click to collapse
AFAIK we cannot unlock a locked bootloader as of now. And why do you need an unlocked bootloader?
ansonantonym said:
AFAIK we cannot unlock a locked bootloader as of now. And why do you need an unlocked bootloader?
Click to expand...
Click to collapse
What I want is fastboot and not recovery in bootloader, and with a locked bootloader cannot use nvflash in case anything goes wrong.

Fails 2 boot

Tried to change rom first time and got this massage : Fails to 2 boot entering to RSD MODE.
What should I do?
The device was Android 2.3.4 from ORANGE
Is your bootloader unlocked?
As stated above you need to make sure you have an unlocked boot loader in order to flash any ROMS onto the Atrix. Here is a guide on how to accomplish this task:
http://forum.xda-developers.com/showthread.php?t=1138092
I thing my Bootloader was unlocked because I had root , And I didnt understood the guide you sent me..
there is An easy solution?
Or maybe you can help me in skype?
edit : I forgot to tell you that I had CMW Recovery something like this..
ofekifrach said:
I thing my Bootloader was unlocked because I had root ,
Click to expand...
Click to collapse
Rooting does not unlock your bootloader.
Sent from my MB860 using XDA
ofekifrach said:
I thing my Bootloader was unlocked because I had root , And I didnt understood the guide you sent me..
there is An easy solution?
Or maybe you can help me in skype?
edit : I forgot to tell you that I had CMW Recovery something like this..
Click to expand...
Click to collapse
Check this tutorial
[HOWTO NOV18]UNLOCK BOOTLOADER, FLASH RECOVERY, INSTALL ROM Atrix 4G Bell/int'l + ATT
To check if u have unlock bootloader u can see the boot screen it has unlocked written on the top corner.
My bootloader is Locked cuz I dont have any Unlock at screen when it starts.
which means you should unlock your boot loader…you'll be fine afterwards
terminator1983 said:
To check if u have unlock bootloader u can see the boot screen it has unlocked written on the top corner.
Click to expand...
Click to collapse
You can have an unlocked bootloader and not have "unlocked" on your boot screen.
Please see the following thread:
http://forum.xda-developers.com/showpost.php?p=15573674&postcount=1
The only true way to know if your bootloader is unlocked is to check /sys/firmware/fuse/ReservedOdm.
CaelanT said:
You can have an unlocked bootloader and not have "unlocked" on your boot screen.
Please see the following thread:
http://forum.xda-developers.com/showpost.php?p=15573674&postcount=1
The only true way to know if your bootloader is unlocked is to check /sys/firmware/fuse/ReservedOdm.
Click to expand...
Click to collapse
But still he will have to flash the pudding file to make work the unlocked bootloader which is given in the unlocking thread and will display "UNLOCKED" on the bootscreen.He is on failed to boot screen how can he check ReservedOdm he will find about the bootoader when he will use the fastboot command for unlocking which will display "already unlocked" if his phone bootloader is unlocked.

re-lock bootloader without root access

Hi
I managed to get back to stock rom (restored from a backup), flashed the stock recovery and now i'm unable to relock the bootloader (no more root/superuser)
is there a way to lock it back without htcdev?
fostazz said:
Hi
I managed to get back to stock rom (restored from a backup), flashed the stock recovery and now i'm unable to relock the bootloader (no more root/superuser)
is there a way to lock it back without htcdev?
Click to expand...
Click to collapse
run fastboot comand:
fastboot oem lock
it will give your bootloader status to "re-lock"
I got relocked status, I want locked status if possible
abusalza said:
run fastboot comand:
fastboot oem lock
it will give your bootloader status to "re-lock"
Click to expand...
Click to collapse
fostazz said:
I got relocked status, I want locked status if possible
Click to expand...
Click to collapse
unlock again using htc dev, then lock using scotty123's method posted here, http://forum.xda-developers.com/showthread.php?t=2540004
on scottys page, look at page 7, at bottom, download link for his lock/unlock tool.

[Q] is this phone brick

I just bought a att htc one off Craig's list and it is tampered/relocked. The phone boots straight into fastboot and there is no operation system on phone. I tried to use ruu to get it back to stock but it freezes at checking hash 5percent. I also tried to fastboot the ruu zip but it had an error verify 12 signatures. Are there any other suggestions that I could try to get an os back on this phone or is this phone pretty much bricked?
Unlock bootloader, install twrp recovery, sideload a rom zip.
There are numerous existing threads that describe how to do each step, just spend a little time reading first.
cschmitt said:
Unlock bootloader, install twrp recovery, sideload a rom zip.
There are numerous existing threads that describe how to do each step, just spend a little time reading first.
Click to expand...
Click to collapse
I don't think I can unlock the relocked bootloader without the token correct? Is there any other way to unlock a locked bootloader without the htcdev token?
crazyfied said:
I don't think I can unlock the relocked bootloader without the token correct? Is there any other way to unlock a locked bootloader without the htcdev token?
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Click to collapse
Yes, you'll need an unlock token.

I tipe: fastboot oem lock, how to re-unlock again?

Hi, i ejecute "fastboot oem lock" and my bootloader gets "Relocked", how i can get "Unlocked" again? i tryed to donwgrade from 5.02 to 4.1, but i fail, now i want to get unlock again, help me plese. :crying:
carma66 said:
Hi, i ejecute "fastboot oem lock" and my bootloader gets "Relocked", how i can get "Unlocked" again? i tryed to donwgrade from 5.02 to 4.1, but i fail, now i want to get unlock again, help me plese. :crying:
Click to expand...
Click to collapse
to unlock your bootloader you have to use the method made for your bootloader, if there is one.
downgrade is only possible while s-off, btw.
el_venga said:
to unlock your bootloader you have to use the method made for your bootloader, if there is one.
downgrade is only possible while s-off, btw.
Click to expand...
Click to collapse
Hi. Many thanks. I used sunshine to unlock and s-off. When I open sunshine again it says it's already rooted and I can't unlock bootloader. Any idea?
carma66 said:
Hi. Many thanks. I used sunshine to unlock and s-off. When I open sunshine again it says it's already rooted and I can't unlock bootloader. Any idea?
Click to expand...
Click to collapse
if you used sunshine s-off, you are already able to downgrade. if you are s-off with that method, and most others, you dont need to relock to downgrade. just flash ruu through fastboot. for that issue, contact sunshine. never been in that situation but you should still downgrade if S-OFF'ed.

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