U.M. Windows 10

Table Of Contents
Wireless
43
4. Under the Security section, touch Remove SIM PIN.
5. Enter the current SIM PIN.
6. Touch OK.
Changing a SIM PIN
To change the SIM PIN:
1. Touch Settings > Network & Internet > Cellular.
2. Touch the cellular connection name.
3. Touch Advanced options.
4. Under the Security section, touch Change SIM PIN.
5. In the Current SIM PIN box, enter the current SIM PIN.
6. In the New SIM PIN box, enter a new SIM PIN.
7. In the Confirm new SIM PIN box, enter the same new SIM PIN.
8. Touch OK.
Unblocking a SIM PIN
If you enter an incorrect SIM PIN, the SIM is blocked and cannot be used until you unblock it. Contact your
mobile operator for the PIN Unblocking Key (PUK), then select proceed as follows:
To find this setting if your SIM is blocked,
1. Touch Settings > Network & Internet > Cellular.
2. Touch the cellular connection name.
3. Touch Advanced options > Unblock SIM PIN under the Security section.
4. Type the PUK code. If an incorrect PUK code is entered too many times, your SIM card will be blocked
permanently, and you will need to obtain a new SIM card from your mobile operator.