Gamesir T4 Pro Update Firmware

If the controller stops responding during an update, try using an older version of the GameSir App APK from GitHub or the official site to re-initiate the handshake.

Tap "Update" and keep the controller near your phone until the process reaches 100%. Troubleshooting Common Issues Gamesir T4 Pro Update Firmware

Open the downloaded .exe file on your desktop and click "Update Firmware." If the controller stops responding during an update,

Launch the GameSir App (ensure you are using version 5.3.24 or later). Put your T4 Pro into pairing mode by pressing A + Home

Put your T4 Pro into pairing mode by pressing A + Home .

Visit the official GameSir T4 Pro Tutorial page and download the latest .exe firmware update file (the latest major update was V1.45 ). Enter Update Mode: Ensure the controller is powered off .

Hold down the L3 button (press the left thumbstick down) and plug the USB cable into your PC while still holding it.