To interact with the target phone, Termux needs access to ADB and Fastboot binaries. Install the community-maintained android-tools package: pkg install android-tools -y Use code with caution. Step 3: Establish the Physical Link Connect the OTG adapter to the Host Device (Device A).
What (if any) is displaying in your Termux terminal?
Concurrently, a prompt may appear on the host phone asking if Termux should be allowed to access the connected USB device. Grant it permission. Step 4: Booting the Target Phone into Fastboot Mode
An adapter that plugs into your Host device, turning its port into a standard USB-A input or a specialized dual Type-C data cable.
Unlocking the bootloader of an Android device is a crucial step for those who want to gain more control over their device, install custom ROMs, and experiment with advanced features. While the process may seem daunting, it can be done easily using Termux, a powerful terminal emulator app for Android. In this article, we'll guide you through the process of unlocking your device's bootloader using Termux.
A high-quality data cable to link the target device to the OTG adapter. Software Prerequisites on the Target Device
If you are running Termux locally on the device you want to unlock, you can use the adb tools to interface with the device's own shell (using adb tcpip or similar methods if rooted), but typically you use Termux to connect to another device or to verify the connection state.
Last Updated: June 2026. Due to the rapidly evolving nature of Android development and security measures, always refer to the latest documentation from tool developers and device manufacturers.
In the Termux terminal on the host phone, verify the connection link by typing: adb devices Use code with caution.
An adapter that plugs into the Host device, converting its port to a female USB-A or standard Type-C port.
Note: Unlocking the bootloader will completely wipe all data on the target device. Back up your files before proceeding. Step-by-Step Guide: Unlocking via Termux Link
If Termux doesn't recognize the USB device, try running termux-usb -l or replugging the cable.
