Download Android 9 stock firmware for X96 Mini TV Box from here or here. Download Android 7.1.2 stock firmware for X96 Mini TV Box from here. Download Amlogic USB Burning Tool v2.0.8 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Model: X96 Mini TV Box
Image file size: 779 MB
Platform: Amlogic S905W
Image: x96mini Android 9.img
Build number: ampere-userdebug 9 PPR1.180610.011 20190801 test-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.