Cool 519 Telecom Edition can't send short messages.

hello! It is suggested to try the following order of exclusion:

1. Please confirm whether the SMS function is normal and whether all numbers can't send and receive SMS;

2. Confirm the number of the SMS center with the operator and check that the center number is correct; Because there is no central number in the telecom version, this article is omitted

3. Uninstall the SMS software downloaded by the mobile phone and cancel the blacklist setting;

4. card replacement attempt;

5. After the data of the mobile phone is backed up, the latest version upgrade can be detected by wireless upgrade (system update, wireless upgrade) or the mobile phone can be restored to factory settings;

6. You can take your mobile phone and related vouchers to Coolpad maintenance outlets and have them handled by professional engineers.