title thanks
No, the ROM itself does not lock the bootloader unless it contains Firmware files (specifically, the emmc_appsboot file). Now, the mere presence of such files does not mean that your bootloader will be re-locked. Every MIUI ROM has these files but it does not relock the bootloader if it was officially unlocked. But, if unofficially unlocked, you should look out for those files.
Related
PLEASE ANSWER MY FOLLOWING QUERIES ABOUT BOOTLOADER:
1) will bootloader get locked again when we flash the device with stock firware(ftf)..?
2) how to know the status of bootloader is it locked or unlocked on android(esecpicially sony xperia U)
3) once we unlock it will it remain unlocked forever uneffected to flashing ROMS and ROOTING repeatedly..?
For the first time i unlocked boot loader for sony xperia U in order to flash custom roms..some were sucessfull nd oders were not...after dat i flashed back to stockfirmware...if i want to flash again with custom roms should i again unlock bootloader again..?
vinaysweetheart007 said:
PLEASE ANSWER MY FOLLOWING QUERIES ABOUT BOOTLOADER:
1) will bootloader get locked again when we flash the device with stock firware(ftf)..?
2) how to know the status of bootloader is it locked or unlocked on android(esecpicially sony xperia U)
3) once we unlock it will it remain unlocked forever uneffected to flashing ROMS and ROOTING repeatedly..?
For the first time i unlocked boot loader for sony xperia U in order to flash custom roms..some were sucessfull nd oders were not...after dat i flashed back to stockfirmware...if i want to flash again with custom roms should i again unlock bootloader again..?
Click to expand...
Click to collapse
1) Firmware is the Android system itself, so bootloader will be unlocked.
2) I don't know Sony Xperia U, but in HTC devices there is a text label "Locked" or "Unlocked" in newer bootloaders.
3) You have to unlock the bootloader only once. Flashing roms doesn't affect the bootloader itself.
My device came with unlocked bootloader. Before anything I made a complete backup with TWRP (alka). Then my bootloader got relocked and I intended to restore to unlock it officialy. But surprisingly after restore the bootloader was unlocked again. Which partition (of the around 40) which are also shown here holds the locked / unlocked status?
paul_damian said:
My device came with unlocked bootloader. Before anything I made a complete backup with TWRP (alka). Then my bootloader got relocked and I intended to restore to unlock it officialy. But surprisingly after restore the bootloader was unlocked again. Which partition (of the around 40) which are also shown here holds the locked / unlocked status?
Click to expand...
Click to collapse
"Firmware" I think so because while installing the official CM13 we have flash a separate firmware zip. I extracted the zip and there was file named emmc_appsboot.mbn which is the bootloader.
adwait.bhandari said:
"Firmware" I think
Click to expand...
Click to collapse
No, it's not. When I'm restoring the nandroid backup to restore the original state of my device, so that the bootloader is unlocked again, "Firmware" is the only partition I am not restoring (it gives an error, and other users say that it should be skipped).
I took a look at the updater script and the Bootloader file is written to the aboot partition.
http://imgur.com/HqtIlsp
Aha! Next time I will relock the bootloader I will try to restore, for testing, just this partition and then check it's status. Thanks.
Later edit: Did restored only the aboot partition and got a brick
the title basically says it all. I locked the bootloader post flashing TWRP. now attempts to unlock the bootloader lead to a success message in the terminal but checking the bootloader shows me that the bootloader hasn't unlocked.
solved the problem by flashing stock recovery .img via twrp and then unlocking bootloader
I flashed MIUI global stable rom on my rn4 snapdragon using twrp and bootloader was relocked. it is normal? It is safe to flash any rom with locked bl using twrp? can i unlock bl with mi unlock without xiaomi permission if unlocked officially first time?
system twrp and fastboot works normally and now i have custom rom restored from nandroid backup
Are you sure your bootloader got relocked?? Please check it through fastboot oem device-info command.
popek069 said:
I flashed MIUI global stable rom on my rn4 snapdragon using twrp and bootloader was relocked. it is normal? It is safe to flash any rom with locked bl using twrp? can i unlock bl with mi unlock without xiaomi permission if unlocked officially first time?
system twrp and fastboot works normally and now i have custom rom restored from nandroid backup
Click to expand...
Click to collapse
what do you mean about bootloader getting re locked? global builds only remove the custom recovery and dont lock the bootloader i guess.
Usually, when you relock the bootloader, you type in the command to relock it, with the bl unlock code, and boom it relocks it and wipes system with no issue.
With my device, it doesn't do that. It instead, spits out an error message saying "remote: 'root type is risk'".
I have gone into eRecovery, and downloaded latest version and recovery.
I have also tried to use the dload method, with no success, with dload telling me that the update failed.
I have flashed recovery and eRecovery stock images extracted from an UPDATE.app I found somewhere.
Would anyone know what is happening??
joenuts2124 said:
Usually, when you relock the bootloader, you type in the command to relock it, with the bl unlock code, and boom it relocks it and wipes system with no issue.
Click to expand...
Click to collapse
it's not that simple bro...
The bootloader status will not be lock, but relock. For apps like Google pay, it's like an unlocked bootloader. Only the Service firmware locks BL normally and correctly .
Do not forget that you should not joke with relock procedure. Must be full stock, (your situation is clearly not the same), otherwise you may end up with a nice paperweight.