Download Android Marshmallow 6.0 stock firmware for M8S Pro TV Box
This firmware is for M8S Pro TV Box with Rockchip RK3229 as CPU.

Download Android Marshmallow 6.0 stock firmware for M8S Pro TV Box from here, here or from here.
Download Rockchip Driver Assistant v4.4 from here and download Rockchip Batch Tool v1.8 from here.
Firmware details
Archive: M8S PRO_6.0_2G8G_ssv6051_20170512_r3( 20170522)
Model: M8S Pro TV Box with 2GB RAM + 8 GB ROM
Image file size: 486 MB
Platform: Rockchip RK3229 / RK322A
Image name: M8S PRO_6.0_2G8G_ssv6051_20170512_r3( 20170522).img
SDK version: RK30_ANDROID6.0.1-SDK-v1.00.00
FW version: 6.0.01
Boot version: 2.32
Model number: M8SPRO_6.0
Company: Android
Build number: rk322x_box-userdebug 6.0.1 MXC89L user.foxluo.20170512.092843 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.



















