Download Android Pie 9.0 stock firmware for H96 Max TV Box from here or here. Download Android Oreo 8.1 stock firmware for H96 Max TV Box from here. Download Rockchip Driver Assistant v4.5 from here and download Rockchip Batch Tool v1.8 from here.
Firmware details
Archive: H96_Max_RK3318_noroot_HS2734C_20190715
Archive size: 1.07 GB
Model: H96 Max TV Box with HS2734C WIFi
Platform: Rockchip RK3318 / RK322H
Image name: RK3318_DC_H96_Max_RK3318_noroot_HS2734C_9_20190715.1834.img
FW version: 9.0.00
Boot version: 2.49
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.
Nov 9, 2019 - 9:09 am
I tried to install the upgrade as mentioned above. the device is not showing up in the installation setup