How to turn your Apple iPad Air (2020) on or off

Press and hold the Top key until your tablet is turned on.

Slide your finger upwards starting from the bottom of the screen.

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Key in your SIM PIN and press Done. The default SIM PIN is 0000.

If an incorrect SIM 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. Sign in to the O2 website to get the PUK. 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 O2.

Press the Top volume key.

At the same time, press and hold the Top key until the power off icon is displayed.

Press and drag the power off icon right.