My mobile phone can't open MMS. What happened?

The mobile phone can't open after receiving the multimedia message. It is recommended to carry out the test in the following ways:

1, whether the mobile phone model supports sending and receiving MMS;

2. Whether the mobile phone number is in arrears;

3. Does the mobile phone have data function?

4. Whether the storage of the mobile phone is full;

5. Whether the MMS size is compatible.