Z2 suddenly Not recognizing the SIM and no signal.

When I'm using data for straight for like 2 or 3 hours, the phone suddenly stops recognizing the SIM and it shows no coverage. I have to restart the phone all the time :/

For hardware issues you think you may have you are best to either return your device to the place of purchase or contact Xperia care and have it inspected http://www.sonymobile.com/global-en/support/contact-us/
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.   Richard P. Feynman

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