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:
- Touch the Settings icon
on a Home or All Apps screen.
- 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.