Android fastboot oem unlocking

Question

So I have got my phone in the bootloader and I want to unlock it so I type fastboot oem unlock <KEY> and I get this

D:\Minimal ADB and Fastboot>fastboot oem unlock ***************
(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
...
(bootloader) Check 'Allow OEM Unlock' in Android Settings > Developer
(bootloader) Options
OKAY [  0.008s]
finished. total time: 0.009s

Any ideas on how to fix?

Solution 1

Try this:- (Note - This worked for me till Android L,M and N on Qualcomm's MSM chipsets)

1. Enable developer Menu from Settings
2. From Developer Settings Enable OEM Unlocking
3. adb reboot bootloader
4. fastboot oem unlock-go
5. Device will reboot
   Partitions will get unlocked

Solution 2

1. Boot normally
2. Enter Developer options
3. Some option as OEM unlocking should be there. Enable it
4. Proceed as you were doing in fastboot.

Hope it helps!

Comments

[André Caldas]

What if it is "bricked" and does not boot? Can't I change this "setting" using fastboot?

[Saad Bilal]

Same question @Olaia, can you have any option from adb?

[Saad Bilal]

@AndréCaldas any luck with fastboot?

[André Caldas]

@SaadBilal: It was not for me. I didn't try anything. But I guess that you can use fastboot and burn the original (some signed) firmware. Then boot, then follow the instructions above to unlock.

[Olaia]

You might be able to change it from fastboot if it's rooted, if it's not rooted, 100% sure you can not change it. But I do not know the setting to change it.

[Olaia]

Also, if you don't do the above, some partitions will be protected and you will not be able to flash those, so you might actually end up with an unstable device.

[Saad Bilal]

That's the bad news for me because my phone is in boot loop and my OEM settings are locked. I have heated the phone to get started with developer options but unable to bypass boot loop, is there any way i can boot my phone so that i can enable the OEM lock and update img.

[Gabriel Fair]

Can you help me find the documentation for this? I can't find fastboot oem unlock-go anywhere.

[Zakir]

Hi @GabrielFair : Unfortunately I donot have documentation for this.. this was bit of a tribal knowledge that just happen to work !