Settings : Security & privacy : More security settings
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.
Change SIM PIN
To change the PIN code for your SIM card:
1.
Be sure you have the previous PIN. If you don't, contact your carrier for a PIN unlock key (PUK).
2.
Go to
Settings
> Security & privacy > More security settings.
3.
Touch SIM card lock.
4.
If Lock SIM card is off, turn it on
5.
Touch Change SIM PIN.
6.
Enter the previous PIN and touch OK.
7.
Enter a new PIN and touch OK.
8.
Re-enter the new PIN and touch OK.
.
215