Congratulations! Your bootloader is now open. Now you can:
To successfully unlock a bootloader via Termux, gather these items:
On Phone B (Termux, as root), send the command to reboot Phone A into fastboot mode:
adb devices
Wait for the daemon to start. You may see a RSA fingerprint prompt on Phone A – accept it. unlock bootloader via termux
Then:
adb reboot bootloader
Phone A will restart and show a "Fastboot" or "Bootloader" screen.
You can install android-tools (fastboot/adb) in Termux and try: Congratulations
pkg install root-tools android-tools
su
fastboot devices
But this only works if the phone already has an unlocked bootloader or a custom recovery with OTG fastboot support — very uncommon.
The methodology varies depending on whether the user intends to unlock the local device (loopback) or a secondary device connected via OTG.
Unlikely, unless:
Until then, Termux remains a preparation and scripting tool, not an unlocker.
Termux is a terminal emulator for Android that provides a Linux environment without rooting your device. The claim of unlocking a bootloader solely through Termux is misleading in most cases.
Here’s why: