User Guide
Table Of Contents
⑦Click the icon to save the modified. 
3.7.  Applications 
①Press this icon to enter application interface. 
You can install 3rd party app from here. Please consult your 
administrator for more information. 
3.8.  Folder 
①Press this icon to enter folder interface. To check the local 
and SD card files. IT82A(869) supports external SD card. 










