Samsung A660 - Manual (Page 53)

Section 2C: Setting Your Phone’s Security 46
Update Data Profile
The data profile keeps all your username and login information
which allows you to connect to data services. It may become
necessary to update the profile to maintain peak efficiency.
To update your profile:
1. Press for Settings.
2. Press for Web.
3. Press for Update Data Profile.
Your phone will connect to the browser and update your data
profile. When the update is finished, the idle screen is displayed.