Urgent! Meizu MX mobile phone, can't make phone calls and send text messages, there is an X number on the signal grid! Just make a phone call and it will show that you can't access the mobile network?

It is recommended to refer to the following exclusion methods:

1. Enter "Settings/Network/Network Operator" and check whether the setting mode of 2G/3G matches the type of SIM card used. Settings/Network/Network Operator and select Automatic.

2. Turn off the phone, pull out the SIM card slot, confirm whether the contact point of the SIM card is damaged or dirty, wipe it with clean cotton cloth and insert it into the phone again to confirm whether it is restored;

3. Replace the SIM card for testing. If the firmware cannot be redrawn, if the problem still exists, it will be returned to the factory for processing.

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