On the target phone, with USB Debugging and OEM Unlocking switched on. Step 1: Preparing the Target Phone
: If you are unlocking a non-rooted device, you will need another rooted device connected via OTG to run the commands, or a PC. This guide assumes you are using Termux on the rooted device you wish to unlock. Phase 1: Prepare Your Device
Your after unlocking (e.g., rooting with Magisk, installing a specific custom ROM). Share public link
If you are planning on unlocking a specific device, let me know the . I can provide the exact, device-specific fastboot commands required to ensure success. unlock bootloader using termux link
If the commands succeed, your target device will perform a factory reset and the bootloader will be unlocked. A confirmation message or a change in the fastboot screen should appear.
: Ensure you ran pkg install android-tools .
The device will execute a hard factory reset. Once completed, it will reboot back into the Android setup wizard. During every subsequent boot, you will see a brief warning screen stating that the device software cannot be verified—this is normal and confirms your bootloader is successfully unlocked. Troubleshooting Common Termux Link Failures On the target phone, with USB Debugging and
The Target device will shut down and boot into a screen that usually shows a fastboot logo, a broken Android mascot, or text displaying device information. Step 6: Execute the Bootloader Unlock Command
Lock and unlock the bootloader | Android Open Source Project
Because Android is built on top of the Linux kernel, a secondary Android device running Termux can act exactly like a Linux PC. By installing the official Android platform tools within Termux, your host phone can command, reboot, and unlock the bootloader of a secondary target phone connected via a physical cable. Critical Prerequisites Before You Begin Phase 1: Prepare Your Device Your after unlocking (e
How to Unlock Bootloader Using Termux: A Complete Guide Unlocking your Android device's bootloader is the first step toward customization, such as installing custom ROMs, flashing custom recoveries, or rooting your phone. Traditionally, this process requires a computer, USB cable, and ADB/Fastboot drivers.
: One is the "Host" (running Termux) and one is the "Target" (to be unlocked). OTG Cable/Adapter : To connect the two phones together.
Note: If you are doing this on a Xiaomi/Redmi/Poco device, you may need a specialized tool like termux-miunlock 1.2.4 . Phase 3: Unlocking the Bootloader (The Process)
If Termux hangs on this message, it means the Host device lacks permission to access the USB sub-system. Try running Termux as root (if the host is rooted) using tsu , or disconnect and reconnect the OTG cable.
Go to Settings > About Phone and tap Build Number seven times.