Samsung Galaxy Tab SPH-P100 User Manual page 86

Note: Any change on either side (Device, Gmail, or Microsoft
Exchange/Outlook Contacts), is reflected on the other
side after a sync process.
The process of updating your Contacts tab can take
several minutes. If after 10-20 minutes, your list has not
been updated, repeat step 2-3.
5.
Your tab then reflects any updated
Contacts
Contact information.
This update process works both ways. For
example, any changes on the device are updated
to your Gmail contacts list after sync.
Note:
Syncing contacts requires that you are logged in to
your Gmail and corporate accounts via the device.
74 2C. Contacts
Contacts tab
Contact Group
Contact Details
Contact entry's
Overview page