Joke Collection Website - Public benefit messages - How to check whether the short message has been sent by the telecom number?

How to check whether the short message has been sent by the telecom number?

If you use a vivo phone, the unsuccessful message will display a red exclamation mark, and the successful message will not display an exclamation mark. You can also go to Settings-Applications and Permissions-System Application Settings-Information-Open SMS to send reports. When opened, the arrow will appear in front of the sent message.