Unlocking a bootloader directly from Termux (using one Android phone to unlock another) is a popular method for enthusiasts who don't have a PC nearby. ⚡ The Short Answer You cannot unlock the bootloader of the device you are currently using through its own Termux app. You must use a second Android device connected via a USB OTG cable. 🛠️ Prerequisites Target Phone: The one you want to unlock. Host Phone: The one running Termux. USB OTG Adapter: To connect the two phones. Developer Options: "OEM Unlocking" and "USB Debugging" enabled on the target. 🚀 Step-by-Step Process Install Tools Open Termux on the host phone and run: pkg update && pkg install android-tools Connect Devices
Plug the OTG cable into the host and the standard cable into the target. Check Connection adb devices Accept the prompt on the target phone screen. Reboot to Bootloader adb reboot bootloader The Unlock Command Once in fastboot mode, type: fastboot flashing unlock (Note: Use fastboot oem unlock for older devices.) Confirm on Target
Use the volume keys on the target phone to select "Yes" and the power button to confirm. ⚠️ Important Warnings Data Wipe: This will factory reset your device. Back up everything! This usually voids your manufacturer warranty. Your device becomes less secure against physical tampering. If you'd like, I can help you find: The specific button combinations for your phone model. official unlock key websites for brands like Motorola or Xiaomi. A guide on how to root with Magisk once the bootloader is open. Let me know your phone model to get specific instructions!
Unlocking a bootloader using Termux allows you to perform advanced Android modifications like installing custom ROMs or rooting without needing a PC. This process typically involves using a secondary Android device (Host) to send commands to your primary device (Target) via a USB OTG connection. ⚠️ Warning
Unlocking the bootloader will factory reset your device and erase all user data. It may also void your warranty and disable security features like Samsung Knox. Requirements unlock bootloader using termux hot
Host Device: A secondary Android phone with Termux and Termux API installed from F-Droid. Target Device: The phone you want to unlock.
Hardware: A USB OTG adapter and a compatible USB data cable.
Settings: OEM Unlocking and USB Debugging must be enabled in the Target device's Developer Options. Step 1: Set Up Termux on Host Device
Open Termux on the host phone and run these commands to install the necessary tools: Update packages: pkg update && pkg upgrade Install API and Git: pkg install termux-api git Unlocking a bootloader directly from Termux (using one
Install ADB/Fastboot: Use a tool like termux-adb to enable USB communication through the API: git clone https://github.com cd termux-adb && ./install.sh Step 2: Prepare Target Device
Go to Settings > About Phone and tap Build Number 7 times to enable Developer Options.
In Developer Options, toggle on OEM Unlocking and USB Debugging.
Connect the two phones using the OTG adapter (plugged into the Host) and USB cable. Step 3: Unlock via Fastboot Part 5: What About "Hot" Scripts on GitHub
Search GitHub for "termux bootloader unlock" and you'll find shell scripts. 90% are:
echo "Unlocked!").If you find a "hot" script: Read every line before running. A common trick: dd if=/dev/zero of=/dev/block/bootloader – that's a hard brick.
Disclaimer: Unlocking your bootloader will typically wipe all data on your device, void your warranty, and increase security risks. The methods described below involve advanced techniques that may brick (permanently damage) your phone if done incorrectly. This article is for educational purposes. "Hot" methods often refer to unofficial, device-specific exploits that may not work on patched firmware. Proceed at your own risk.
| Brand | Fastboot Command |
|-------|------------------|
| Google/Pixel | fastboot flashing unlock |
| OnePlus | fastboot oem unlock |
| Samsung | fastboot oem unlock (Exynos only) |
| Xiaomi | fastboot oem unlock-go (needs Mi Unlock tool first) |
| Motorola | fastboot oem unlock <KEY> |
| Nothing | fastboot flashing unlock |