Use a PC with fastboot — it's the standard, safe, and supported method.
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 in most cases. unlock bootloader via termux
The concept of unlocking a bootloader via Termux is a favorite among Android power users because it represents the ultimate "PC-less" setup. Traditionally, unlocking a bootloader—the gatekeeper code that decides which operating system to run—requires a computer to send Fastboot commands Use a PC with fastboot — it's the
Ensure the Host device supports OTG (you can test this with a simple USB thumb drive). The concept of unlocking a bootloader via Termux
An Android phone with Termux installed. This device must support USB OTG (On-The-Go). The Target Device: The phone you wish to unlock. USB OTG Adapter: To connect the two phones.
If your goal is to avoid a PC entirely, Termux alone unlock a bootloader on 99.9% of Android devices. The hardware abstraction layers prevent direct fastboot access.