: These enthusiast forums are the most reliable sources for finding mirrors of specific historical builds like the 20200620 release. How to Install (Manual Update)
: While the link points to an older version, they frequently update their firmware repositories for the S905W chipset. download-x96-mini-s905w-update-android-20200620-zip
To install a .zip update file, you generally use the "Local Update" method: : These enthusiast forums are the most reliable