Prerequisites
Some brands do not allow instant unlocking via standard fastboot commands:
Once the devices are communicating, reboot the target device into its bootloader: Run the command: adb reboot bootloader
Once installed, open Termux on the Host Device and run the following commands sequentially to update the packages and install the necessary scripts. 1. Update the Package Repository Ensure your package lists are up to date: pkg update && pkg upgrade -y Use code with caution. 2. Grant Storage Access unlock bootloader using termux hot
git clone https://github.com cd Termux-ADB chmod +x install.sh ./install.sh Use code with caution.
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 (Host) to send commands to your primary device (Target) via a USB OTG connection. ⚠️ Warning
chmod +x get_token.sh ./get_token.sh --region=global --product=[PRODUCT] --token=[DEVICE_TOKEN] [ACCOUNT_DATA] Prerequisites Some brands do not allow instant unlocking
Power off the phone and boot it into (usually by holding Power + Volume Down). Step 2: Set Up Termux on the "Host" Phone
The Fastboot Toolbox app provides a graphical alternative to command-line unlocking. It works on devices with an unlocked bootloader for flashing operations, but its unlock feature supports a wide range of brands including Google Pixel, OnePlus, Realme, Xiaomi, Micromax, Lava, Itel, Infinix, and Tecno. As one user describes it, "No laptop, no drivers, nothing extra. Just an OTG cable and you're ready".
Method A — Unlock via fastboot from Termux (device supports fastboot mode and USB OTG with host capability) This process typically involves using a (Host) to
: Most manufacturers consider bootloader unlocking a warranty-voiding operation. While some brands (like Google and OnePlus) are more lenient, others (like Samsung) permanently disable certain features like Samsung Pay when the bootloader is unlocked.
The working phone that runs Termux. This phone must support USB OTG (On-The-Go).
If you truly want to unlock your bootloader, follow the official method for your brand:
Using Termux ("hot," or directly on the device) is advantageous because it eliminates the need for a PC, ADB drivers, or Windows, making the bootloader unlocking process truly portable and versatile. ❓ Troubleshooting