You Can not install TWRP (Team Win Recovery Project) a PC is not needed when a secondary Android device is used. This way, users can easily flash custom recoveries such as TWRP, OrangeFox, or PitchBlack to their main device. Below, we provide a step-by-step guide to installing TWRP Recovery without a computer.
Prerequisites
Before proceeding, ensure you have the following:
- Two Android devices (Primary device to install TWRP, secondary device for execution)
- Bugjaeger Mobile ADB app installed on the secondary device
- USB OTG adapter
- USB cable
- Bootloader unlocked on the primary device (if not, follow our unlocking guide)
- TWRP recovery image for your device model
- Sufficient battery (50% or above) on both devices
Step-by-Step Guide to Install TWRP Without a PC
1. Set Up the Secondary Device
- Start the Bugjaeger Mobile ADB on your secondary Android device after downloading and installing it from the Google Play Store.
- Connect your secondary phone to the USB OTG adapter.
- Using the USB cable (Type-A end to the secondary device, Type-C/micro-USB to the primary device), attach the USB cable.
- After opening Bugjaeger on your mobile phone, you will be asked to grant the necessary permissions.
2. Enable Developer Options and USB Debugging
- On the primary device, go to the Settings > About Phone.
- Tap on Build Number on the screen multiple times for the message “You are now a developer” to appear.
- Move to the Developer Options and then activate USB Debugging.
- Agree to the prompt allowing one connected device to USB Debugging.
3. Boot the Primary Device into Fastboot Mode
- On the secondary device, launch Bugjaeger.
- Click the Fastboot tab.
- Press Reboot Bootloader to start the primary device without the PC into the “Fastboot Mode” option.
4. Flash TWRP Recovery Without a PC
If Your Device Has a Dedicated Recovery Partition
- Download the TWRP image (.img file) on the secondary device.
- Open Bugjaeger, navigate to the file manager and select the downloaded TWRP file.
- In the command line, enter:
fastboot flash recovery <twrp.img> - Once completed, reboot to recovery mode:
fastboot reboot recovery
If Your Device Does Not Have a Recovery Partition
- Instead of flashing, temporarily boot into TWRP with:
fastboot boot <twrp.img> - Once inside TWRP, navigate to Advanced > Flash Current TWRP to make it permanent.
5. Reboot Into TWRP Recovery
From now on, you can access TWRP directly using:
fastboot reboot recoveryAlternatively, use Reboot Recovery from the Bugjaeger Fastboot tab.
Troubleshooting Common Issues
| Issue | Solution |
|---|---|
| Device not detected | Unlock the bootloader first using OEM Unlock. |
| Bootloader locked | Use fastboot reboot the command to restart. |
| Flashing fails | Verify TWRP image file is correct for your device. |
| Stuck in Fastboot Mode | Use fastboot reboot command to restart. |
Conclusion
This guide is a method that makes it very easy to install TWRP recovery without a PC yet using a PC. By using Bugjaeger and an extra Android device, you can securely install unauthorized recoveries. So if there are issues follow all the steps carefully. If you need more help drop your questions in the comments below!