Look for the in the top right corner of the dashboard to check for newer firmware versions. Troubleshooting Common Update Issues
The LED ring on the home button will blink rapidly (like 4 times per second) or turn off completely. The PC will make a "USB connected" sound. Gamesir T4 Pro Update Firmware
The is widely regarded as one of the best value wireless controllers on the market. It offers Hall Effect sensing joysticks (on later revisions), multi-platform compatibility (Switch, PC, iOS, Android), and a unique "dual vibration + macro" back button setup. Look for the in the top right corner