Motorola motoe6 User Manual page 162

Other settings : Security & location 154
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 the 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.