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An oval tool (in the picture below) is used for changing the micro-SIM card. Insert the tool in the needle size hole in the side of the device to push out the card bayholder:
Set the micro-SIM card in the bay as shown in the picture (it fits in the bay holder only in one position) and push the bay holder back in the device:
Turn on the iPad by holding down 2 seconds the black button in the frame. The device boots up. Unlock the device by using your passcode.
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