VIM3 Cooling Fan on Android

Hi Goenjoy, I bought VIM3 Pro but in Android system setting there is no colling fan option to control the FAN, what to do?

@Alexey1 VIM3-Android-9-32bit-V221228 ROM Release

Please upgrade this firmware version, or check whether your board is V14?

Yes, my board is V14. I downloaded latest firmware verson. Please explain how to upgrade this lates version on the board.

I downloaded vim3-android-9-32bit-v221228.img.xz on Khadas but could not install it, please explain how to do installation.

@Alexey1 Decompress it first, and then refer to this document for upgrading.

@goenjoy Thanks a lot, it works.