Even with a proper file, you might encounter problems. Here are the most frequent ones:
To perform the update, you will need a Windows PC and the following hardware: Male-to-Male USB Cable : Used to connect the TV box’s OTG port to your PC. Rockchip Drivers DriverAssistant v4.1.1 or newer so your PC recognizes the device. Flashing Software RKBatchTool AndroidTool v2.33+ to push the new firmware image. Android 10 Firmware (.img) : You must source a compatible rk3229 android 10 firmware updated