Apple iPad Air (2019)

Press and hold On/Off until your tablet is turned on.

If your SIM is locked, key in your PIN and press OK.

If the wrong PIN is entered three times in a row, your SIM is blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service. Please note: If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you need a new SIM from Telstra.

Press and hold On/Off.

Press and drag the power off icon right.