Samsung Galaxy J3 Eclipse - Turn Data Saver On or Off; Turn Mobile Data On or Off; Check Mobile Data Usage by Apps

Airplane mode
Airplane mode disconnects your device from all
networks and turns off connectivity features.
1.
From Settings, tap Connections > Airplane
mode.
2. Tap On/Off to enable this feature.
Mobile hotspot
Activate Mobile hotspot to allow other devices to use
your device’s Internet connection.
1.
From Settings, tap Connections > Mobile
hotspot and tethering> Mobile hotspot.
2. Tap On/Off to turn on Mobile hotspot.
3. Activate Wi-Fi on the target device.
4. Scan for Wi-Fi hotspots and select your device’s
Mobile hotspot.
5. Enter your device’s Mobile hotspot password on
the target device.
Settings 107