Meizu MX2 can't make phone calls or send text messages. What happened?

If this happens to the mobile phone, first of all, it is necessary to determine whether it is caused by the arrears of the mobile phone, or whether there is a problem with the mobile phone settings. You can call customer service for consultation, or check whether it is.

Mobile phone SIM card

If there is a problem, you need to apply for a new mobile phone card if there is a problem with the mobile phone card.