To install a .zip update file, you generally use the "Local Update" method:
: Place the update-android-20200620.zip file onto a FAT32-formatted USB drive or SD card. download-x96-mini-s905w-update-android-20200620-zip
: On your X96 Mini, open the Update & Backup app from the app drawer. To install a
: These enthusiast forums are the most reliable sources for finding mirrors of specific historical builds like the 20200620 release. How to Install (Manual Update) To install a .zip update file
: This site often hosts the specific June 2020 (20200620) build and provides mirrors for the .zip (OTA) and .img (USB Burning Tool) files.