Step 1  Download the GameSir G-Crux app to your mobile phone.

Step 2  Power on the VX AimSwitch and the green connection status indicator light will flash.

Step 3  Press Fn + F4 keys simultaneously on the VX AimSwitch and the blue connection status indicator light will flash.

Step 4  Turn on Bluetooth on your mobile phone and connect to the VX AimSwitch. Then the blue connection status indicator light will keep lit.

Step 5 Open the GameSir G-Crux app on your mobile phone, select the device model “GameSir-VX” and update the firmware.


Step 6 After the firmware update is complete, close the GameSir G-Crux app, then press Fn + F5 keys simultaneously to exit the update and return to the game.

Note: If you are unable to update the VX AimSwitch firmware with GameSir G-Crux app, you can try to update the VX AimSwitch firmware on PC.