To configure general sync settings:
> Settings > Accounts & sync.
1. Tap
`
Indicates that some, or all, of an account's information
G
is configured to sync automatically with your device.
Indicates that none of an account's information is
G
configured to sync automatically with your device.
2. Tap Background data to enable or disable whether applications
can use your data connection to synchronize data while the
applications run in the background.
If you disable this option, the Gmail and Calendar applications
will not automatically receive updates until they are manually
refreshed (using their respective options menu).
Device Settings
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