![background image](http://html.mh-extra.com/html/samsung/sm-t377w/sm-t377w_user-manual_1189249002.webp)
2
Table of Contents
Using the SIM or USIM card and
battery
14 Turning the device on and off
15 Locking and unlocking the screen
25 Installing or uninstalling apps
32 Mobile hotspot and tethering
36 Managing the Home and Apps screens
37 Setting wallpaper and ringtones