Not sure if bootloader unlocked - T-Mobile LG V10 Q&A, Help & Troubleshooting

So I did all the commands (fastboot oem unlock and fastboot getvar unlocked) when I enter the second command it says yes it is unlocked but when I reboot the phone there is no corruption error, is it really unlocked?

Nevermind, when I did the tot method for root after I did it I got the error so all is good

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[Q] Problem to flash ruu

hi I have an htc evo 3d gsm . i relock with this "fastboot oem writesecureflag 3"
I restored the device whith this guide:
http://forum.xda-developers.com/showthread.php?p=25501212
now the devices , if I plug the cable on pc turns on in fastboot.
HBOOT-1.49.0007
RADIO-11.25.3504_06_M
How do I flash a ruu ?what exactly?
If you have unlocked bootloader you must relock it first to flash ruu. Command for that: fastboot oem lock. After that you should be able to flash ruu.
Command fastboot oem writesecureflag 3 is for making S-on.
dont use that command with unsigned bootloaders or you'll brick your device!
c000ler said:
If you have unlocked bootloader you must relock it first to flash ruu. Command for that: fastboot oem lock. After that you should be able to flash ruu.
Command fastboot oem writesecureflag 3 is for making S-on.
Click to expand...
Click to collapse
But the device's bootloader is locked
jackebbe said:
But the device's bootloader is locked
Click to expand...
Click to collapse
man

Unable to Unlock Bootloader on OxygenOS 2.2.0

When i do the "fastboot oem unlock" command my phone won't reboot? is that okay or how can i get it to reboot and unlock bootloader?
With "fastboot oem device-info" command i get
-Device tampeered: false
-Device unlocked: true
-Charger scren enabled: false
OPX[E1001]
OxygenOS Version 2.2.0
Ahmedmukhtar1133 said:
When i do the "fastboot oem unlock" command my phone won't reboot? is that okay or how can i get it to reboot and unlock bootloader?
With "fastboot oem device-info" command i get
-Device tampeered: false
-Device unlocked: true
-Charger scren enabled: false
OPX[E1001]
OxygenOS Version 2.2.0
Click to expand...
Click to collapse
as per your post you already have unlocked bootloader..
once you've unlocked it before you don't need to unlock it again.
if however you want it to reboot and wipe everything then use the command
fastboot oem lock then fastboot oem unlock
5star02707 said:
as per your post you already have unlocked bootloader..
once you've unlocked it before you don't need to unlock it again.
if however you want it to reboot and wipe everything then use the command
fastboot oem lock then fastboot oem unlock
Click to expand...
Click to collapse
No it's not unlocked, because I'm unable to flash twrp recovery. It show "Your device is locked".
Ahmedmukhtar1133 said:
When i do the "fastboot oem unlock" command my phone won't reboot? is that okay or how can i get it to reboot and unlock bootloader?
With "fastboot oem device-info" command i get
-Device tampeered: false
-Device unlocked: true
-Charger scren enabled: false
OPX[E1001]
OxygenOS Version 2.2.0
Click to expand...
Click to collapse
Ahmedmukhtar1133 said:
No it's not unlocked, because I'm unable to flash twrp recovery. It show "Your device is locked".
Click to expand...
Click to collapse
use this TWRP
http://forum.xda-developers.com/devdb/project/dl/?id=16464
Also go to developers option in settings and tick the OEM unlocking should be highlighted
solution
Ahmedmukhtar1133 said:
No it's not unlocked, because I'm unable to flash twrp recovery. It show "Your device is locked".
Click to expand...
Click to collapse
I had same problem, first do a fastboot oem lock than fastboot oem unlock and will 100% work!!!
I had same problem earlier. The issue is i had twrp recovery. I flashed twrp using flashify. So to unlocked you need to have default recovery. Not sure if this helps
if you still having issues, http://forum.xda-developers.com/oneplus-x/general/guide-mega-unbrick-guide-hard-bricked-t3272108 - this will fully restock your recovery and os. as it came from the box. than go for unlocking(dont forget to turn on development oem unlock)

Unlocking Bootloader, Flashing TWRP etc,

Okay, so it looks as if Fastboot is disabled on my device. I went into the Stock Rom, and I found there is a switch on the Stock Rom that turns Fastboot on and off. It says: Allow Oem Unlock.
I've heard of some folks bricking their Phones this way by flipping this switch in the stock rom. Is that true?
My choices seem to be:
1. Use SP Flash Tool to Flash TWRP. Then TWRP to load AOSP Extanded, or Lineage.
2. attempt to use that switch to see if it will let me do a fastboot oem unlock.
I'd like to try the second, but I want to know if thats a land mine to a bricked Phone if I flip the switch to allow OEM Unlock of the bootloader.
$ fastboot-android oem get_identifier_token
...
FAILED (remote: unknown command)
All attempts to use fastboot to unlock the device have met with this error.
It will fastboot reboot, but nothing else. I have a feeling something like the fastboot DirtyCow Exploit will be needed.

how to root vivo Y17

how to root vivo Y17 android 9. I have done a variety of ways. but nothing worked
help me master
I have vivo y17 also
I tried to unlock bootloader using this codes:
fastboot oem unlock
fastboot oem unlock-go
fastboot flashing unlock
fastboot flashing unlock_critical
fastboot bbk vivo_bsp unlock_vivo
Bootloader still locked, so no point of unlocking bootloader
I have theory, might not true, if you install the stock rom of the vivo (yours) and modify some files
Then you manual wipe data, and manual install software that has been modified
I not yet tried that yet
I also have vivo y17 1902
I also try everything from fastboot to every tool to unlock bootloader (fast boot commands also)
Nothing work for me
I think it not working because get_unlock_ability is set to 0 by manufacturer and Turning on OEM unlock will not make get_unlock_ability to 1 and it's because manufacturer is permanently lock bootloader.
I have idea we can just replace stock recovery from firmware to custom recovery (twrp) simple then we don't even need to unlock bootloader and we can flash magick .
Darkdeadpool said:
I also have vivo y17 1902
I also try everything from fastboot to every tool to unlock bootloader (fast boot commands also)
Nothing work for me
I think it not working because get_unlock_ability is set to 0 by manufacturer and Turning on OEM unlock will not make get_unlock_ability to 1 and it's because manufacturer is permanently lock bootloader.
I have idea we can just replace stock recovery from firmware to custom recovery (twrp) simple then we don't even need to unlock bootloader and we can flash magick .
Click to expand...
Click to collapse
How can we do it?
Pls explain

[HELP] Relock-Bootloader [ZB553KL/ZD553KL]

Does anyone have a method of re-locking the bootloader of ZB553KL/ZD553KL or remove the bootloader warning splashscreen?
You can relock the bootloader through fastboot (fastboot oem lock), but make sure all your images are original or you'll bootloop until you unlock the bootloader again, which sometimes can't be done through fastboot.

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