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 .
If the firmware becomes unstable, use a thin pin to press the Reset button located in the small hole on the back of the controller to reboot it. Tutorial: How to use GameSir T4 Pro
For general feature updates and button mapping adjustments, use the GameSir App on Android or iOS.
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