Samsung SM-G386TZKATMB - Manual (Page 23)

23 Section 1: Getting Started
● Check the Running Services and close any unnecessary applications.
● Use the Task Manager feature to end/shutdown background applications that are
still running. These minimized applications can, over time, cause your device to
“slow down”.
● Animated wallpapers use processing power, memory, and more power. Change
your Live Wallpaper to a non‑animated Wallpaper gallery or Gallery image.
Switching the Device On or Off
Once the device has been configured, you will not be prompted with setup screens again.
To turn the device on:
► Press and hold Power/Lock until the device switches on.
The device searches for your network and after finding it, you can make or receive
calls.
Note: The display language is preset to English at the factory. To change the language, use
the Language menu. For more information, refer to “Language and Input” on page
268.
To turn the device off:
1. Press and hold Power/Lock until the Device options screen appears.
2. Tap Power off.