This firmware is for H96 Max X3 TV Box with AMLogic S905X3 as CPU. BTW, you can buy H96 Max X3 TV Box from Banggood.com for a very good price.
Archive name: AML_user_H96MaxX3_9_20210323.1555
Archive file size: 759 MB
Model: H96 Max X3 TV Box
Platform: AMLogic S905x3
System: Android version 9.0
Build number: franklin-user 9 PPR1.180610.011 20210323 release-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. BTW, a link doesn’t last forever.