Samsung A640 - Manual (Page 99)

Section 2C: Setting Your Phone’s Security 77
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Resetting Your Phone
Resetting the phone restores all the factory defaults,
including the ringer types and display settings. (Contacts are
also deleted when resetting your phone.)
To reset your phone:
1. Select Menu > Settings > Security.
2. Enter your lock code. (The Security menu is displayed.)
3. Select Reset Phone and press .
4. If you are certain that you would like to restore all the
factory settings, select Yes and press
.
Security Features for Sprint PCS Vision
Enabling and Disabling Sprint PCS Vision Services
You can disable Sprint PCS Vision services without turning off
your phone; however, you will not have access to all Sprint PCS
Vision services, including Web and messaging. Disabling Sprint
PCS Vision will avoid any charges associated with Vision
services. While signed out, you can still place or receive phone
calls, check voicemail, and use other voice services. You may
enable Sprint PCS Vision services again at any time.
To disable Sprint PCS Vision services:
ᮣ
Select Menu > Settings > PCS Vision > Disable Vision.
(A message will appear.)
Caution! Resetting your phone deletes all files that you have
downloaded.