What's wrong with Apple 6 MMS?

There are several reasons why the mobile phone cannot send MMS:

1. The mobile phone does not support MMS function;

2. The parameter setting of mobile phone MMS is incorrect;

3. The size of the sent multimedia message exceeds 5K；;

4. MMS outbox and inbox are full;

in addition to the above simple troubleshooting, you can turn off the phone or change your mobile phone to test it, but it still can't be solved. You can contact human customer service for handling.