Samsung SCH-A570NBUXAR - Manual (Page 108)

Sect
ion 8
108
2. Enter the lock code, then press for Erase Memory.
A confirmation prompt appears in the display.
3. Use the navigation keys to highlight Yes or No, then
press the key. A confirmation message appears in
the display while your messages are being erased. Your
phone then returns to the Security menu.
Resetting Your Phone
Reset Phone returns all setup options to their factory
default.
1. In standby mode, press the key, then press
(for Settings) and for Security. You’re prompted to
enter the lock code.
Note: The default lock code is the last four digits of your telephone number.
2. Enter the lock code, the press for Reset Phone. A
prompt appears in the display asking if you wish to
restore default settings (except for the Contacts and
Voice Dial).
3. Use the navigation keys to highlight Yes or No, then
press the key.