Settings
Airplane mode
Airplane mode disconnects your device from all networks and turns off connectivity features.
1.From Settings, tap Connections > Airplane mode.
2. Tap
C)
to enable this feature.
Mobile networks
Use Mobile networks to configure your device's ability to connect to mobile networks and use mobile data.
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From Settings, tap 
Connections > Mobile networks.
•Roaming: Enable or disable data while roaming on other mobile networks.
•Network mode: You can select which network modes your mobile phone can use.
•Access Point Names: Choose or add APNs, which have the network settings your device needs to connect to your provider.
•Network operators: Choose available and preferred networks.
TIP Use these features to help manage connection settings that may affect your monthly bill.
Data usage
Check your current mobile and
◌From Settings, tap 
Connections > Data usage.
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