To turn on or turn off airplane mode, follow these steps:
1. From any Home screen, tap the Menu key.
2. Tap System settings.
3. Under 'WIRELESS & NETWORKS,' tap the Airplane mode switch to turn on or turn off.
Turn on/off data roaming
To turn on or turn off data roaming, follow these steps:
1. From any Home screen, tap the Menu key.
2. Tap System settings.
3. Under 'WIRELESS & NETWORKS,' tap Tethering & Networks.
4. Scroll down to 'NETWORK SETTINGS,' and then tap Mobile networks.
5. Select or clear the Data roaming check box.
6. If necessary, tap Yes to confirm.
NFC
Read NFC tag
This feature is not available.
Turn on/off NFC
This feature is not available.
Clear app
Clear app cache and data