Samsung SCH-A890ZSVXAR - Manual (Page 61)

Phonebook
53
Delete all
Delete All allows the deletion of all entries in your
Phonebook.
1. In standby mode, press the left soft key ( ) Menu .
2. Press ( Phonebook ), ( Delete All) . You’re
prompted to enter the lock code.
3. Enter the lock code. The default lock code is the last four
digits of your phone number. The phone prompts you to
confirm the deletion of all entries.
4. Press the left soft key ( ) Yes to delete all Phonebook
entries, or press the right soft key ( ) No to return to
the Phonebook menu.