Vodafone 553
Read help info
The PIN protects your SIM from unauthorised use. If use of PIN is turned on, it needs to be keyed in when you turn on your phone. Follow these instructions to turn use of PIN on or off.
1. Find "PIN lock"
Press the Menu key.
Press Settings.
Press Security.
Press PIN lock.
2. Turn use of PIN on or off
Press Off or On.
Key in your PIN.
Key in your PIN.
Press OK.
3. Exit
Press Disconnect to return to standby mode.
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