156 Settings
The graph on the lower part of the screen has several slidebars that set
limits. The white vertical bars control the time period, which can be set to
the customer’s billing cycle.
Tap
D
and check
Restrict background data
to prevent apps from
automatically updating information that is sent periodically without user
actions, such as data on some webpages, or data updated on Maps.
Tap
D
and check
Data roaming
to permit data roaming over mobile
networks. Note that this can incur excessive data transfer charges.
Wi-Fi
Tap the
Wi-Fi
tab to fine-tune how applications access the data network
using Wi-Fi.
Tap individual applications to modify how they interact with available data
networks. Tap
View app settings
to change the application’s settings from
this screen.
Call settings