Sony V600 - Manual (Page 128)

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128
To edit your PIN
1.
} Settings } the General tab } Locks } SIM lock } Change PIN.
2. Enter your PIN
} OK.
3. Enter a new four- to eight-digit PIN
} OK.
4. Re-enter the new PIN to confirm
} OK.
To turn the SIM card lock on or off
1.
} Settings } the General tab } Locks } SIM lock } Protection and select
On or Off.
2. Enter your PIN
} OK.