You will need these tools:
https://forum.chuwi.com/t/hi10-air-not-powering-on/11793/8?u=hemant.kamat
and the flashing tutorial https://www.youtube.com/watch?v=-K8Xif-6GUw
If the BIOS isn’t getting detected by the CH341A programmer, you will need to remove the IC from the motherboard and solder it onto the circuit board that is bundled with the programmer.
THE CIRCUIT BOARD (AFTER ATTACHING THE BIOS IC) HAS TO BE INSERTED INTO THE 1.8V ADAPTER AND NOT DIRECTLY INTO THE CH341A PROGRAMMER