Coolpad 7295c-c00 telecom version cannot send text messages but can receive them

It is recommended to try the following order of elimination: 1. Please confirm whether the SMS function is normal and whether all numbers cannot send and receive SMS messages; 2. Confirm the SMS center number with the operator and verify that the center number is correct; 3. Uninstall the mobile phone SMS software downloaded from the client and cancel the blacklist setting; 4. Try to change the card; 5. After backing up the mobile phone data, you can update the system, detect the latest version upgrade or restore the phone to factory settings; 6. You can bring the mobile phone and related credentials to Maintenance outlets will be inspected by professional engineers