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Other settings : Security
To unpin it:
1.
Drag up
from the bottom of the screen and hold.
2.
If you required a pattern, PIN, or password when you
Lock SIM card
Set up SIM lock
Your SIM card came with a default PIN from your carrier. You can use it to set up an optional SIM card lock, which
prevents others from using your cellular plan and accessing account information if your phone is stolen.
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.
Go to
Settings
> 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.
.
turned on
pinning, enter it to unlock the phone.
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