[Q]How to lock bootloader on Xperia 10 plus ? - Sony Xperia 10 Plus Questions & Answers

Hi there . Recently i just rooted my phone and unlocked the bootloader but i want to roll it back to stock status.
I read a lot and i can not understand ,
Is it possible to lock the bootloader on that phone or not ? If yes ,how ?
EDIT : I tried with fastboot commands oem relock but it didn't work .I removed the root but still need to lock the bootlodaer

Hey, you can flash official firmware into your device and get back to the stock firmware without root. But you can't re-lock the bootloader. I have tried so many command in fastboot and any of em doesn't work.

XOBOT.V2 said:
Hey, you can flash official firmware into your device and get back to the stock firmware without root. But you can't re-lock the bootloader. I have tried so many command in fastboot and any of em doesn't work.
Click to expand...
Click to collapse
I was able to remove the root manually so no need to reflash stock frimware,but about bootloader still not successed to lock it even via flash tool BLU option. There should be warning that you can't lock it once its unlocked damn..

diw4k said:
I was able to remove the root manually so no need to reflash stock frimware,but about bootloader still not successed to lock it even via flash tool BLU option. There should be warning that you can't lock it once its unlocked damn..
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Click to collapse
Yes indeed. I've tried that too. apparently you can't relock the bootloader in newer devices. Only thing to do right now is, hope that Sony will release some kind of commands to relock the bootloader. Unless there's no other way.

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
Click to expand...
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.

no way of keeping the phone rooted and locking the bootloader?

After flashing this file 'Xperia_U_ST25i_Relock_Bootloader.ftf' to my Xperia_U, the phone won't boot again
I had to flash again with 'ST25i_6.0.B.3.184_O2-CZ.ftf' in order to get the phone working gain
This also made me lose Root, so I had to reflash again with 'Xperia_U_ST25i-ROOT-ROM.img'
(and unlocking again with fastboot.exe -i 0x0fce oem unlock 0xkey)
so, it seems there's no way of keeping the phone rooted and locking the bootloader
(I want to lock the bootloader locked in order to get updated to 184 though PC-Companion)
ssuper2k said:
After flashing this file 'Xperia_U_ST25i_Relock_Bootloader.ftf' to my Xperia_U, the phone won't boot again
I had to flash again with 'ST25i_6.0.B.3.184_O2-CZ.ftf' in order to get the phone working gain
This also made me lose Root, so I had to reflash again with 'Xperia_U_ST25i-ROOT-ROM.img'
(and unlocking again with fastboot.exe -i 0x0fce oem unlock 0xkey)
so, it seems there's no way of keeping the phone rooted and locking the bootloader
(I want to lock the bootloader locked in order to get updated to 184 though PC-Companion)
Click to expand...
Click to collapse
I own an Xperia S, I flashed a custom kernel to root then flashed back the stock kernel and locked the bootloader again, the phone works perfect and kept the root!
ssuper2k said:
After flashing this file 'Xperia_U_ST25i_Relock_Bootloader.ftf' to my Xperia_U, the phone won't boot again
I had to flash again with 'ST25i_6.0.B.3.184_O2-CZ.ftf' in order to get the phone working gain
This also made me lose Root, so I had to reflash again with 'Xperia_U_ST25i-ROOT-ROM.img'
(and unlocking again with fastboot.exe -i 0x0fce oem unlock 0xkey)
so, it seems there's no way of keeping the phone rooted and locking the bootloader
(I want to lock the bootloader locked in order to get updated to 184 though PC-Companion)
Click to expand...
Click to collapse
Too keep your phone rooted you need to keep its bootloader unlocked and if you try locking it again you might brick it!!
So if you want to keep your root and bootloader locked then here's what you should do
1)Unlock bootloader
2)Flash a custom kernel which roots your phone
3)Flash with stock rom
Note : if still not rooted then untick the option in flastool to skip flashing kernel when flashing with stock rom!!
Pls correct me if m wrong!!
Sent from my Sony Xperia Sola White using xda app
reptile64 said:
I own an Xperia S, I flashed a custom kernel to root then flashed back the stock kernel and locked the bootloader again, the phone works perfect and kept the root!
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Click to collapse
Thanks, so now I need confirmation from an Xperia_U owner..
Anyone flashed Xperia_U_ST25i_Relock_Bootloader.ftf' and the phone kept working?
.
What I want to keep is:
---------------------------------
Kernel: Xperia_SSpeed_kernel_v6.1.zip
ROM: KA03_Xperia_SSpeed.zip
Then, lock bootloader again, withOUT losing ROOT
and then update to 1.84 (via Companion)
ssuper2k said:
Thanks, so now I need confirmation from an Xperia_U owner..
Anyone flashed Xperia_U_ST25i_Relock_Bootloader.ftf' and the phone kept working?
.
What I want to keep is:
---------------------------------
Kernel: Xperia_SSpeed_kernel_v6.1.zip
ROM: KA03_Xperia_SSpeed.zip
Then, lock bootloader again, withOUT losing ROOT
and then update to 1.84 (via Companion)
Click to expand...
Click to collapse
You cannot update via pcc even with Locked BL if you have custom rom or kernel.
Sent from my LT26i using Tapatalk 2
gm007 said:
You cannot update via pcc even with Locked BL if you have custom rom or kernel.
Sent from my LT26i using Tapatalk 2
Click to expand...
Click to collapse
So what the best way/order to update the phone to 1.84 and also get Root?
Thanks

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
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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.

Need help to lock bootloader

guys i want to lock bootloader but i dont want to flash all the partitions , when i directly type "fastboot oem lock" it says run oem lock begin... how to lock without flashing the firmwares? and does OTA have something to do with a unlocked bootloader? i have installed stock recovery and stock rom(flashable zip )
thanks in advance
You don't have to relock it. You just need to be in stock ROM, recovery and unrooted in order to get OTA updates
lokesh.3440 said:
You don't have to relock it. You just need to be in stock ROM, recovery and unrooted in order to get OTA updates
Click to expand...
Click to collapse
Yeah I have done it,actually I am selling this phone so want everything to be as it was out of box,so now only locking the bootloader is left over
Sent from my Nexus 4 using XDA Free mobile app
'oem lock' doesn't work with E. You need to reflash the stock ROM.
Specially as you're selling it. Thats what is recommended.

Relocking Bootloader V20j?

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?
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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.

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