Before downloading anything, you must identify your hardware revision. There are three main PCB versions:
| PCB Version | Wi-Fi/Bluetooth Chip | Firmware Suffix |
| :--- | :--- | :--- |
| V1.0 / V1.1 | Realtek 8822CS | rtl8822cs |
| V2.0 | Qualcomm QCA9377 | qca9377 |
| V3.0 | Realtek 8822CS (updated) | rtl8822cs_v3 |
How to check:
Warning: Flashing a QCA9377 firmware on an 8822CS board will kill Wi-Fi. Always match the chipset.
No. Using USB Burning Tool performs a full erase and clean install. Backup your Kodi userdata, APKs, and settings via a file manager before flashing. a95x f3 air firmware
The stock A95X F3 Air firmware is functional but bloated. SlimBOX TV (based on Android 9) is the most popular custom firmware. Benefits include:
Risks: You void your warranty and may brick the device if you ignore the Wi-Fi chip requirement. Alternative firmware (if chipset is S905X3):
To flash SlimBOX, search for slimbox a95x f3 air rtl8822cs or qca9377. The installation process is identical to stock firmware using USB Burning Tool.