An Android phone running the Termux terminal app. Target Device: The Android phone you want to unlock. OTG Adapter & Data Cable: To physically bridge both phones.
Thus, the article will focus on using Termux on an Android phone (the "host") to unlock the bootloader of another Android phone (the "target") via OTG cable. This is a legitimate and innovative method. It's better because it's portable, no PC needed, uses Termux's powerful terminal.
Before any unlock attempt, backup your device’s unique partitions. Termux + root (or using dd via tsu ) is perfect for this.
Before diving into commands, let's define "better": unlock bootloader using termux better
When you , you gain flexibility. Imagine you are traveling, away from your PC, and a system update breaks your custom recovery. With Termux already installed, you can re-unlock, re-flash, or fix partitions instantly.
pkg install termux-api termux-usb -l termux-usb -a <device_id>
Follow these sequential steps to configure Termux and execute the bootloader unlock: 1. Prepare the Termux Environment An Android phone running the Termux terminal app
fastboot devices
If you have a USB OTG adapter, you can connect a second phone to the phone running Termux. You can then install the android-tools package in Termux: pkg install android-tools
termux-usb -r /dev/bus/usb/XXX/YYY
Alternatively, you can use the termux-adb-fastboot repository for a one-liner installation.
$ fastboot reboot ... OKAY [ 0.002s]