Samsung Galaxy core prime User Manual page 53

Tip: You can also access silent mode via the Notification panel. Drag the Status bar down to display the
Notification panel, and then 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 > Turn off.
 Your phone's wireless connection features are now restored.
Basic Operations
> Turn on.
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