How to Unlock Bootloader on Any Android Phones Using Fastboot

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This topic contains 12 replies, has 7 voices, and was last updated by  shibaa987 4 months, 1 week ago.

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  • #11684

    shibaa987
    Keymaster

    One of the output of the following command: fastboot oem device-info
    (bootloader) Device unlocked: true

    Which tells the bootloader is unlocked.

    #11685

    shibaa987
    Keymaster

    Yes, it is completely possible that after unlocking the bootloader data might not be wiped. It all depends on the OEMs the way they lock the bootloader. Many of the OEMs do not unlock the bootloader at all.

    Now for the TWRP installation part, here goes another step-by-step guide that explains: how to install TWRP recovery on an Android phone.

    #11687

    shibaa987
    Keymaster

    The command window waits at “waiting device”, when the device is not yet recognized by the system.

    It is possible that you might have connected the device to the PC but either of the following is causing a problem:

    1. Either Android debugging is not enabled
    2. If Debugging is Enabled, check if OEM unlock is enabled in Developer Options

      This guide explains how to enable USB debugging and OEM unlocking

    3. Finally, if everything is enabled, then check if you have given permission for the system to use ADB

    When debugging is enabled and the device is connected to a system, it may ask for a permission on the phone to allow the ADB access to the system. Please verify all and let me know if you have enabled everything and still it does not work.

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