Click the or Start button in the software interface. Wait for the green success message to appear. Safely unplug the USB cable from your computer. Troubleshooting Common Update Issues Issue 1: The App Cannot Find the Controller
Ensure your T4 Pro is completely powered down. Initiate "Bootloader" Mode:
While continuing to hold L3, plug the USB-C cable into the controller and the other end into your PC.
Are you experiencing a like stick drift or button lag that prompted this update? GameSir T4 Wireless Controller - FCC Report Gamesir T4 Pro Update Firmware
Wait for the success message to pop up before unplugging the cable. How to Calibrate Joysticks After an Update
Tap and select the version you wish to install.
Firmware updates can improve software-based calibration, but severe mechanical stick drift requires cleaning or repairing the physical analog sticks. Click the or Start button in the software interface
Visit the official GameSir Discord channel. Their moderators often provide private beta firmware for stubborn controllers that retail tools can't see.
Put your T4 Pro into pairing mode by pressing A + Home .
Is your GameSir T4 Pro disconnecting? Are the triggers acting up? Or do you just want to make sure you have the latest features? Updating your firmware is the single best way to fix bugs and improve controller performance. Troubleshooting Common Update Issues Issue 1: The App
: Download the GameSir App from the Google Play Store or Apple App Store. Pair Your Phone :
Download the separate dongle firmware upgrade file (found on the GameSir tutorial page).
Unquestionably, yes.
Close all active games on your device to prevent input conflicts. Method 1: Update via GameSir Mobile App (Recommended)