Sometimes cached configurations cause erratic inputs after a firmware flash. You must recalibrate the joysticks and triggers:
Congratulations. You are now on the latest firmware. Gamesir T4 Pro Update Firmware
If you use the 2.4GHz receiver, you can also update its firmware separately. Exit the GameSir software, hold the pairing button on the dongle for 5 seconds while plugging it into the PC, and run the dongle updater. Sometimes cached configurations cause erratic inputs after a
Even with the best preparation, things can go wrong. Here is how to handle common issues: Gamesir T4 Pro Update Firmware
Before pressing any buttons, ensure you have the following:
If the controller becomes unresponsive, use a pin to press the Reset button located in a small hole on the back.