I am Meizu mobile phone. I don't know what happened, but suddenly I can't send a message! You can make a phone call and the phone bill is enough! It keeps showing that it's being sent, but it can't be

I am Meizu mobile phone. I don't know what happened, but suddenly I can't send a message! You can make a phone call and the phone bill is enough! It keeps showing that it's being sent, but it can't be sent. Hello,

1, enter the number of SMS center in SMS settings. Ask the operator if there is a phone bill, and ask the operator's customer service to reactivate the SMS sending and receiving function.

2. Restart the phone.

3. It is recommended to use a Micro SIM card to cut the mobile phone card, or you can change another mobile phone card for testing.

4. Set up >> account in the mobile phone and register and log in to Flyme account.

5. Eliminate system problems, back up user data and refresh MX3 firmware to solve them.

ROOT user, please check clear data when you brush the machine.

Firmware download and specific operation are as follows: /firmwarelist.jsp? modelId= 1

6. If it can't be solved, please bring your mobile phone and warranty card to the local Meizu certification store for after-sales consultation.