chiangrai Posted January 15, 2019 Share Posted January 15, 2019 I just bought my first Android tablet. It's an 8 inch Lenovo tb8405x, every time i start it up i get a message saying no sim card,please insert sim card I have been trying to fix it up myself but am getting confused,. There are a few reasons why it might happen I don't want to use it as a phone i just want to get rid of the message. Link to comment Share on other sites More sharing options...
kkerry Posted January 15, 2019 Share Posted January 15, 2019 Try inserting any old, no longer valid SIM you have lying around, then disable mobile data. Link to comment Share on other sites More sharing options...
ravip Posted January 21, 2019 Share Posted January 21, 2019 On 1/15/2019 at 3:36 PM, kkerry said: Try inserting any old, no longer valid SIM you have lying around, then disable mobile data. Then it might give the message "SIM not registered to network" Link to comment Share on other sites More sharing options...
ballpoint Posted January 21, 2019 Share Posted January 21, 2019 Try putting it into Airplane mode and then turn on wifi. Link to comment Share on other sites More sharing options...
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