How to install Meeting room APK in ProDVX

1.After power on,connect ProDVX and computer via USB cable:

 

2.Swipe down the notification bar at the top of the screen,select USB mode to File Transfer:

 

3.Move the APK from computer to root directory of ProDVX:

 

4.Swipe the screen from bottom to top to enter the APP list:

 

5.Select Explorer,go to Internal Memory and click APK to install

 

6.If you see the notification about Key Chain,please select SETTINGS, allow from this source then back to previous interface to continue install.

 

7.Then you can see the APP in the list: