Samsung SPH-A640ZKAAFT - Manual (Page 16)

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2: Volume
Louder Recommended Softer
5: Voice Launch
Talk Key Talk Key and Flip Open
6: About
6: Security
1: Lock Phone
Unlocked On power-up Lock now
2: Lock Service
1: Voice
Lock Unlock
2: Data Services
Lock Unlock
3: Camera
Lock Unlock
3: Change Lock
4: Special #
1: Empty
2: Empty
3: Empty
5: Erase
1: Erase Contacts
Yes No
2: Erase My Contents
Yes No
3: Erase Voice Memo
Yes No
4: Erase Pictures