1.Download the firmware from Link. 

CPU: Allwinner H616 Firmware

Brand Model: H96 Mini H616

——Allwinner H616 Android 10 《Download》

2. Install PhoenixSuit_CN.msi, open PhoenixSuit program

3.Choose one key brun then choose file of H96mini-H6_9.0.4..2.1-07291203.img

4.Using a toothpick (or Small wooden stick), insert into the A/V port of Box, press and hold the hidden button while connect TVBox to your PC by USB extension line ，until the state show start burn firmware.

5. Choose yes ，update will run automatically. .