Gamesir T4 Pro Update Firmware |top| Instant

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

Once the progress bar finishes, your controller is updated. This specifically resolves the gyroscope lag often found in older versions. Method 2: Update via Mobile App Gamesir T4 Pro Update Firmware

Tap "Update" and keep the controller near your phone until the process reaches 100%. Troubleshooting Common Issues Hold down the L3 button (press the left

This method is essential if you are experiencing or the controller shutting down randomly while in use. Gamesir T4 Pro Update Firmware

Open the downloaded .exe file on your desktop and click "Update Firmware."