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Samsung Galaxy Tab
1 Turn on the device
Press On/Off until the device is turned on.
2 Enter PIN
Key in the PIN and press OK.
3 SIM card rejected
If the SIM card is not accepted or an error message is displayed, it may be a faulty SIM card or a faulty SIM card reader. It is also possible that the device is locked to another operator. Contact this operator for further information.
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4 Turn off the device
Press and hold On/Off.
Press Power off.
Press Yes.