Unlocking an Android device's bootloader traditionally requires a computer, a dependable USB cable, and properly configured ADB/Fastboot drivers. For users who lack access to a desktop or prefer a streamlined, minimalist workflow, this dependency can be a significant hurdle.
Unlocking your bootloader using Termux provides a highly portable, PC-free alternative for Android modding. By utilizing a second Android device as a host server, you unlock terminal-level control over your mobile hardware anywhere you go. Always ensure your data is securely backed up, follow manufacturer-specific rules, and proceed with caution.
Do not download Termux from the Google Play Store, as it is outdated. Use F-Droid or GitHub. Step-by-Step Guide: Unlocking via Termux
Reboot the target phone into its bootloader interface using this command: adb reboot bootloader Use code with caution. unlock bootloader using termux better
: One is the "Host" (running Termux) and the other is the "Target" (device to be unlocked). USB OTG Cable/Adapter : To connect the two phones. Data Backup : Unlocking the bootloader wipes all user data and may void your warranty. Developer Settings : On the target device, enable USB Debugging OEM Unlocking Settings > Developer Options Step-by-Step Guide 1. Prepare Termux on the Host Device Download and install Termux from
If you are already managing your device’s files via Termux, keeping your flashing tools in the same environment streamlines the workflow. Prerequisites Before you begin, ensure you have the following: The Target Device: The phone you want to unlock. The Host Device: An Android phone with Termux installed.
If you violate any of these, the timer restarts. By utilizing a second Android device as a
Before using Termux, you must prepare the phone you want to unlock.
| Item | Description | |------|-------------| | | An Android device with USB OTG support (most Android 6+ phones). Install Termux from F‑Droid (not the outdated Play Store version). | | Target phone | The device whose bootloader you want to unlock. | | OTG adapter | USB-C to USB-A, or Micro‑USB to USB-A – depending on host phone. | | USB cable | Connects host OTG adapter to target phone. | | Backup | Unlocking wipes all data on the target. Backup photos, files, etc. | | Battery | Both phones should be at least 60% charged. |
$ adb reboot bootloader
For devices that absolutely require a PC (Samsung, Huawei), use Termux as a smart remote.
The Bootloader, however, sits at the very bottom of the stack—the hardware level. It runs before the Android Operating System even loads. Its job is to verify the integrity of the OS it is about to boot.
Avoid the outdated version of Termux hosted on the Google Play Store, as it no longer receives package updates. Download and install the latest release directly from or the official GitHub repository . Step 2: Update the Package Repository Use F-Droid or GitHub
: Enabled on the target device with USB Debugging and OEM Unlocking toggled on. Step-by-Step Guide