On the device you are using as the "computer," install Termux and run these commands: Update packages pkg update && pkg upgrade Install ADB & Fastboot pkg install android-tools Step 3: Connect the Devices Connect the two phones using a USB OTG adapter (the OTG end goes into the Host/Termux phone). In Termux, check if the device is recognized: adb devices Accept the USB debugging prompt on the Step 4: Unlock the Bootloader Reboot to Bootloader/Fastboot adb reboot bootloader (Alternatively, use adb reboot fastboot if your device supports the newer fastbootd mode) Verify Fastboot Connection fastboot devices Run the Unlock Command
This command opened a shell on the device, allowing Alex to execute commands on the computer. unlock bootloader using termux link
fastboot flashing unlock