PhoenixSuit will detect the device and prompt you with a message: "Tips: Does mandatory format?"
A progress bar will appear. or turn off your PC during this phase.
While the Allwinner H313 doesn't have as vast a community as Amlogic chips, there are several reliable builds available: 1. SlimBOXtv Allwinner H313 Custom Rom
Installing a custom ROM on an Allwinner H313 device can dramatically transform your user experience, unlocking native Android TV capabilities, smoother performance, and better resource management. This comprehensive guide covers everything you need to know about finding, preparing, and flashing a custom ROM onto your H313 device. Why Install a Custom ROM on an Allwinner H313?
Always try to find a copy of your original stock firmware before flashing, just in case you need to revert. PhoenixSuit will detect the device and prompt you
Install the Allwinner USB drivers on your PC.
Open the box and read the PCB. Look for: SlimBOXtv Installing a custom ROM on an Allwinner
Disconnect the USB cable, plug the TV box back into your television via HDMI, and connect the power brick.