Cubot KingKong 6 Firmware: The specific Cubot KingKong 6 Firmware comes with a Stock ROM of Cubot KingKong 6. This helps you to bypass the FRP lock and revert from the root and custom ROM. Download Firmware/Flash File For Cubot KingKong 6: There are various reasons to flash (Firmware on Cubot KingKong 6). For instance, if your phone gets stuck …