Apple iPad Air (2019)
iPadOS 15.2
1 Turn on your tablet
Press and hold On/Off until your tablet is turned on.
Press the Home key.
2 Enter your PIN
If your SIM is locked, key in your PIN and press OK.
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.
3 Turn off your tablet
Press and hold On/Off.
Press and drag the power off icon right.