RetroCompass
RetroCompass

GameSir X2 Pro — Firmware update

Quick answer

Steps

  1. 1Install the GameSir app on your Android phone from Google Play.
  2. 2Slide the X2 Pro onto the phone with the USB-C plug fully seated.
  3. 3Open the GameSir app and let it recognize the X2 Pro.
  4. 4Apply any firmware update it lists and keep the controller connected until done.
  5. 5Do not unplug during the flash; the same firmware tool also unlocks L3/R3 and D-pad mapping.
Last verified: 2026-06-20Source: gamesir.com

The X2 Pro updates through the GameSir app over its USB-C link. Plug it into your Android phone, open the app, and apply any update shown. The firmware feature is also what lets you assign the back paddles to L3/R3 or the D-pad, so it is worth running even if you mainly use on-board mapping.

FAQ

Is Bluetooth used for updates?
No. The X2 Pro is wired only; firmware is applied through the GameSir app over USB-C.
Why update the firmware?
It improves compatibility and unlocks extra paddle targets (L3/R3, D-pad) in the GameSir app.

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