[Satisfaction Service] With AKNES, you can confidently enjoy our top customers' support. If you encounter any issues, please reach out to us and we'll be happy to assist you.(Read the AKNES store page introduction, you can contact us.). [Seamless Calibration] Select the Type A or Type B mode on the joystick board, enter the joystick calibration interface on Steam Deck and press the tiny switch on the joystick board if the spot is off the center position. (Follow the installation and calibration steps in our picture). [Easy Installation] No need to worry about soldering, the joystick comes with installation caps that preserve Steam Deck's original touch functionality. If you experience stuck joystick issues, it is due to the cap that comes pre-installed and came loose during shipping. You only need to press the cap vertically down in the center position to use it normally. [No More Drifting] Bid farewell to stick drift, creeping, stuttering, blind spots, non-centered, broken, and loose joysticks with GuliKit's patented 3D Hall Effect Sensor joystick. [Perfect Compatibility] GuliKit Electromagnetic Module joystick (New model: SD02), designed to perfectly fit Steam Deck Type A and Type B. The included converter allows you to easily select the TYPE you want. (‘Settings ? System ? Steam Deck Controller ID’, ‘MEDA’ is Type A, ‘MHDA’ is Type B), [Not compatible with OLED version].