Problem with the network connection

I can’t connect to the network.
The device don’t recognize my simcard.
It is strange. before a week, I put the simcard to the meizu, and it recognized the local network, where i belong. but now, for some reason, the meizu can not recognize my network. i can’t call or sms, nor surf the web.

I have the stable version flyme os 3.5.2.

please help me.

thanks.

Try to reinstall the firmware with Clear data.

Also, try and take a cotton swab, dip it in white spirit and clean your SIM card.

Contributor

And check thr sim once on some other phone too …

Thanks.

I have already installed a clean version again. It did not solve the problem.
There is no problem in the sim card. He works in other phones.

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