Samsung Galaxy Core Prime User Manual page 58

Tip: You can also access silent mode through the Notification panel. Drag the Status bar down to reveal
the Notification panel and tap Airplane mode
To turn off airplane mode:
1. Press and hold the Power/Lock Key to display the device options menu.
2. Tap Airplane mode > OK.
 Your phone's wireless connection features are now restored.
Basic Operations
> Turn on.
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