I’ve created a modded APK for the Android 6/7.1 devices.
X9S
Zidoo Home Theater v4.0.81 – McBluna.net
With the 
beta firmware v6.3.21_G Zidoo updated Home Theater to version v4.0.81
I’ve created a modded APK for the Android 6/7.1 devices.
Zidoo Home Theater v4.0.79 – McBluna.net
With the beta firmware v6.3.20(_G) Zidoo updated Home Theater to version v4.0.79
I’ve created a modded APK for the Android 6/7.1 devices.
Guide: How to update Home Theater 4 on Zidoo X8, X9S or X10
Before I’ve had my own X9S I supposed it has to be rooted like Z9S to upgrade HT4, but I was wrong. On Android 6 based players the Home Theater app is not installed as a system app.
I’ve written a new guide “How to update Home Theater 4 on Zidoo X8, X9S or X10“