Using Termux | Unlock Bootloader

Before proceeding, understand that unlocking a bootloader carries risks.

Look at the target device screen. It will display a warning stating that unlocking the bootloader will erase your data and lower security.

To unlock a bootloader using Termux, you must use :

The host phone is not actively pushing power or recognizing the target phone in bootloader state.

echo "UNLOCK_TOKEN" | xxd -r -p > token.bin unlock bootloader using termux

Return to the main Settings menu and navigate to > Developer Options . Enable USB Debugging .

Unlocking the bootloader of an Android device using Termux involves several steps and requires careful attention to detail. Before proceeding, it's crucial to understand that unlocking the bootloader will erase all data on the device, and it may also void the warranty. Ensure you have a backup of any important data and understand the risks involved.

This process may void your manufacturer warranty.

If you are rooted, you can run commands directly. If you are not rooted, you need to connect your phone (Device A) to another Android phone (Device B) using an OTG cable to send commands. Connect the USB cable to both devices. To unlock a bootloader using Termux, you must

or

To successfully execute this process, ensure you have gathered and prepared the following components: Hardware Requirements

For some devices, you may be prompted on-screen to confirm the action. Use the volume keys to select and the power button to confirm. Once confirmed, the device will perform a factory reset and the bootloader will be unlocked.

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Connect the target device to the host phone using the OTG cable. The target device should be turned on normally. To check if the connection is successful, run:

Fix: Install the termux-usb package ( pkg install termux-usb ) or try using a different OTG adapter. "Command Not Allowed"

By connecting these two devices together via an OTG (On-The-Go) cable, the Host Device runs Termux to send Fastboot commands directly to the Target Device. Important Risks and Warnings

On the Host device, a Termux popup may appear asking for permission to access the connected USB device. Tap or Allow . Step 4: Boot the Target Device into Fastboot Mode Unlocking the bootloader of an Android device using

This confirms whether the target device is being recognized by the kernel.

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