Flashing firmware carries the risk of "bricking" your device. Proceed at your own risk.
SlimBOX is perhaps the most famous custom firmware in the TV box community. It is known for being extremely fast, clean, and highly customizable. Allwinner H313 Custom Rom
The Allwinner H313 is an excellent "tinkerer’s" chip. By moving away from the restrictive stock software and installing a or Aidan’s ROM , you can significantly extend the life of your hardware and enjoy a much cleaner, faster media center experience. Flashing firmware carries the risk of "bricking" your device