Pro Update Firmware Best [upd]: Gamesir T4
(like stick drift or pairing failure) that prompted you to look for a firmware update? Tutorial: How to use GameSir T4 Pro
Once your firmware is updated to the latest version, calibrate your joysticks to lock in the best performance: Press the , Minus (-) , and HOME buttons together. Rotate both analog sticks in wide circles three times. Press the L2 and R2 triggers down completely three times. gamesir t4 pro update firmware best

