Acer Chromebook Spin 513 User Manual page 33

Change your PIN number for your SIM card
1. Select the Settings
2. Turn on Mobile data.
3. In the Enable SIM card locking (require PIN to use mobile data)
field, click to enable CHANGE PIN. (Note: SIM card locking needs to
be enabled in order to change SIM PIN.)
4. In the Enter old PIN field, type the current PIN.
Note
If you enter the wrong PIN four times, the SIM card becomes blocked.
Contact your mobile carrier to retrieve your PIN code.
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