Connect To Mobile Networks

Depending on your carrier and service plan, your phone may connect automatically to your carrier's fastest available data network. Or you may need to insert a SIM card or configure details for a specific carrier. For details, read the instructions that came with your phone.

Your mobile network settings allow you to adjust several aspects of aspects of the way your phone uses mobile data. To view these settings:

  1. Touch the Settings icon on a Home or All Apps screen.
  2. Under Wireless & Networks, touch More, then Mobile networks.

Mobile network settings

Note that you can't adjust mobile network settings when Airplane mode is selected. The settings available may vary depending on your device and plan.

  • Data enabled. Check to turn data access on for all available mobile networks.
  • Before turning this option off, which may cause your device or apps to stop functioning correctly, consider using the mobile data limits available under Settings > Wireless & networks > Data usage.
  • Data roaming. Prevents your device from transmitting data over other carriers' networks when you leave an area that is covered by your own carrier's networks. This is one way to to control expenses if your mobile data contract doesn't include data roaming.

With Data roaming unchecked, you can still transmit data over Wi-Fi.

  • Network mode. Allows you to choose between using both LTE and CDMA, or just CDMA.
  • System select. Allows you to determine when roaming can occur over a CDMA network. With Home selected, you are restricted to your carrier's network for both voice and data.