Jako příklad je zvolen telefon Xiaomi Mi A3 z rodiny telefonů Android One
!!! Experimentuj opatrně, své kroky nejprve konzultuj na stránkách XDA !!!
- First of all, you need to enable the Developer Options on your Xiaomi Mi A3.
- Go to Settings>>About Phone>>tap on the Build Number 7 times till you see a toast message “You are now a developer”.
- Under the Developer Options, you need to enable USB Debugging and the OEM Unlock option as well.
- To do that again head to the Settings>>Developer Options>>enable USB Debugging and OEM Unlock.
- Now, download the platform-tools (ADB and Fastboot tools) from URL https://www.xda-developers.com/install-adb-windows-macos-linux/
- Connect your smartphone to your PC via a USB cable and let all the drivers install on your PC.
- Open the CMD or command prompt by pressing the Shift + Right-click combination on the same folder where you have extracted the contents of the ADB and Fastboot Tools.
- Type in the below commands in the CMD and press Enter;
- adb reboot bootloader
- You will get a pop-up message “Always allow from this computer” on your smartphone. Press OK and continue.
- To check whether your device is connected or not, enter the below command;
- fastboot devices
- Now, to unlock the bootloader, enter the below command;
- fastboot flashing unlock
- Your device will now start to unlock the bootloader and once it is done, your device will reboot.
- To fully unlock the device, enter the below command;
- fastboot flashing unlock_critical
- Your device will now start to unlock the bootloader and once it is done, your device will reboot again.
- That’s it! You have successfully unlocked the bootloader of the Xiaomi Mi A3 smartphone.
!!! Experimentuj opatrně, své kroky nejprve konzultuj na stránkách XDA !!!