Samsung SPH-A680SSAQST - Manual (Page 61)

Section 2C: Setting Your Phone’s Security 53
Updating Your Sprint PCS Vision Profile
The data profile keeps all your user name and login information
which allows you to connect to Sprint PCS Vision services. It may
become necessary to update the profile to maintain peak efficiency.
To update your profile:
1. Press for Settings.
2. Press for PCS Vision.
3. Press for Update PCS Vision Profile.
Your phone will connect to the browser and update your Vision
profile. When the update is finished, the idle screen is displayed.