If Termux doesn't recognize the USB device, try running termux-usb -l or replugging the cable.

Unlocking the bootloader will wipe all data on the target device.

Unlocking an Android bootloader via Termux is a popular method for users who want to modify their devices without a computer

On the (the phone that will act as the computer), open Termux and update the package list:

The target phone is placed into Fastboot mode. Termux executes standard command structures across the USB interface:

Go to Settings > About Phone and tap Build Number seven times until a toast message confirms you are a developer.

: Go to Settings > Developer Options and toggle OEM Unlocking . (If this option is missing, your device may be carrier-locked, or you need to connect to the internet to allow it).

The target phone will turn off and restart into a screen that usually displays a modern mascot or bare text reading "Fastboot Mode." At this point, the standard Android OS on the target device is completely offline. Step 6: Verify Fastboot Connectivity

, disable specific security features (like Samsung Knox), and render banking apps or OTA updates inoperable, depending on the device. Proceed at your own risk. How to Unlock Bootloader Using Termux: A Complete Guide

This comprehensive guide details the technical prerequisites, setup steps, and precise commands required to unlock an Android bootloader using the Termux link method. ⚠️ Critical Prerequisites and Risks

A device cannot send the necessary low-level bootloader commands to itself while its operating system is actively running. Unlocking a bootloader requires the device to be in a specific state—Fastboot or Download mode—which completely halts the standard Android OS and Termux.

If properly linked, you will see a string of numbers followed by the word device . Step 4: Boot the Target Device into Fastboot Mode