: Ensure the controller has at least 50% charge.
As of April 2026, there are two primary ways to update your controller: using a PC for a forced manual update or using the GameSir mobile app for a quick wireless check. Gamesir T4 Pro Update Firmware
Tap and select the version you wish to install. : Ensure the controller has at least 50% charge
: Applying the latest firmware can fix gyroscope delay issues. Gamesir T4 Pro Update Firmware
For some regional or specialized versions, you can use the GameSir App on a smartphone: