Forum Thread: How to Fix iPhone 4 Sim Not Valid Error Messages.

I'm stuck at this "sim not valid" error messages after restoring my iPhone 4 as a new device. I have tried other sim card from various service providers, hard-resettings etc. There's a support for this type of problem in the internet but it is not free. I don't even know where to start. Anybody pls help. Thanks in advance.

1 Response

You can buy normal sim and cut this.

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