If you add a SIM lock, you will be prompted to enter the PIN each time you swap SIM cards or restart the phone.
1.
Be sure you have the PIN your carrier provided with the SIM card. If you don’t have it, contact your carrier.
2.
Security
.
3.
Under SIM CARD LOCK, touch the SIM name.
4.
Turn
Lock SIM card
on
.
5.
Enter your carrier-provided PIN and follow the onscreen instructions.
Unlock SIM card
When prompted, enter the PIN used to set up the SIM lock.
Caution:
If you enter an incorrect PIN multiple times, the SIM will be disabled.
If you accidentally disabled SIM
If you enter an incorrect PIN multiple times, the SIM will be disabled.
Contact your carrier for a PIN unlock key (PUK) to re-enable the SIM.
Other settings : Security
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