Vodafone K5161
Mac OS Catalina
1. Find "PIN Code Management"
Click Advanced.
Click System.
Click PIN Code Management.
2. Turn off use of PIN
Click the indicator next to "PIN Code Management" to turn off the function.
Click the field next to "PIN Code" and key in your PIN.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. You can get the PUK by calling customer services on 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Click Save.
3. Turn on use of PIN
Click the indicator next to "PIN Code Management" to turn on the function.
Click the field next to "PIN Code" and key in your PIN.
Click Save.