User Guide
39 
management  2. Unknown source APK installation settings. 
Credential 
storage 
Manage  application  access  surety  credentials 
and other credentials.   
Language 
and  input 
method 
  Set default language 
Keyboard  and 
input method  Set default keyboard and input method 
Mouse/Touchpa
d  Adjust mouse speed. 
Backup 
and reset 
1. Backup/restore device data. 
2. Restore default settings. 
System 
Date  and 
time 
Set or adjust time and date in the device. 
Auxiliary 
functions 
Set auto rotation, display font and touch screen 
effect. 
Developer 
options 
Basic applications for developers. 
About  the 
tablet PC 
View system status, battery status, legal info, 
model,  Android  version,  core  version  and 
version number. 










