Activating The Sim Pin - Samsung SGH-i640V User Manual

6. Re-enter the same password in the Confirm password
field for confirmation.
7. Press the Done soft key.
8. Press the Yes soft key.
To set manual phone lock:
On the Start Menu, scroll to the My Settings list → Lock
and press the Turn On soft key. You can also press
select Lock from the Quick List screen.
To unlock your device:
1. On the Home screen, press the Unlock soft key.
2. Enter the password and press the Unlock soft key.
Note: If the Device Lock feature is not activated, you need to
press to unlock the phone.

Activating the SIM PIN

When SIM PIN is enabled, you must enter your PIN
supplied with your SIM card each time you turn the device
on or insert the current SIM card into another device.
Consequently, any person who does not have your PIN
cannot use your device without your approval.
1. On the Home screen, press the Start soft key.
2. Press the Main Menu soft key and select Settings →
More... → Security → Enable SIM PIN.
3. Enter the PIN and press the Done soft key.
The basics
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