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GameSir X1 / Z1 / Z2 FPS DOCK Firmware Downgrade Tutorial for Android / iOS

Please note:
GameSir X1 / Z1 / Z2 have the same FPS DOCK firmware downgrade steps, so this tutorial takes X1 as an example.

Step 1 Click the button below to download GameSir G-Crux APP.


Step 2 Connect X1 to mobile phone via Bluetooth. Launch GameSir G-Crux APP and click “Update firmware”.


Step 3 Disconnect X1 and delete the pairing data of X1 in Bluetooth setting. Then turn off GameSir G-Crux APP in the background.

Please note:
If your device is GameSir Z2, you need to press Fn + F4 buttons simultaneously, the green 2.4GHz mode indicator light will flash. Then press Fn + F5 buttons simultaneously, the blue Bluetooth mode indicator light will flash.

Step 4 Connect X1 to mobile phone via Bluetooth and launch GameSir G-Crux APP. The APP will automatically downgrade MCU firmware to the previous version and it takes 3-5 seconds. Then click “Confirm” button after the downgrade is complete.


Step 5 Disconnect X1 and delete the pairing data of X1 in Bluetooth setting. Turn off GameSir G-Crux APP in the background. Then restart X1, the FPS DOCK firmware downgrade is complete.
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