Meizu charm blue mobile phone text message can't be sent out. What happened?

How to deal with the problem that mobile phones can't send and receive short messages;

1. Confirm whether the phone bill is sufficient;

2. Enter SMS, and then select "…"-> "Settings->; SMS center, to confirm whether the number of SMS center is set correctly (the specific number can be confirmed by consulting the operator);

3. Eliminate the influence of optimized management software, and restart the mobile phone to test whether it is normal after unloading;

4. Check whether there are blacklist and other related settings;

5. You can change the mobile phone cards of other operators to test whether you can send short messages normally;

6. Back up mobile phone data, refresh the latest system and clear user data.