Unlocking and locking the bootloader
1. First of all,
you must enable unlock bootloader on your device.
To do this, activate the menu
"For Developers": Go to "Settings" ->"About phone" ->7 times click on the item "Build Number". In the tab that appears
"For developers" in the main settings menu, activate the item:
Factory Unlock - ((Enable OEM Unlock).) 2. Download from the caps
"Required firmware for firmware." 3. Unzip the folder
"Tools" from the archive to the root of the disk
"WITH:". You will get the path:
"C: \\ Tools". 4. Download device
in bootloader mode (Bootloader / Fastboot) one of the following ways:
From the off device: Press and hold the power button + volume up key at the same time. From the included device: When USB debugging is activated, execute the ADB command: Also in the settings for developers, you can activate the advanced menu items to reboot the device, in particular - bootloader mode (Bootloader / Fastboot).
5. Connect the device to the PC and install
Drivers (if you did not do it earlier or they were not installed automatically).
6. Go to the, previously unpacked, folder
"Tools". In it, in the address bar of the folder, at the top, write -
"cmd" (without quotes).
7. Check device availability and driver installation. Run the fastboot command:
If everything is good, the drivers are successfully installed and the phone is properly connected - you will see the following answer:
<device serial number>fastboot
8. At a command prompt, run one of the following commands to unlock the bootloader:
Attention: When unlocking the bootloader, all data will be deleted !!! 9. In the request that appears on the device, agree to unlock the bootloader by selecting the volume buttons
"Yes." Confirm by pressing the power button.
P.S. To lock the bootloader, execute one of the following commands: Attention: Make sure that you have a fully installed stock system without a single modification !!! Attention: When locking the bootloader, all data will be deleted !!!
Post has been editedanubis72 - 13.12.19, 22:41