How to delete the intercepted messages in the mobile phone?

A large number of spam messages accumulated in mobile phones can be managed in batches by setting time.

Enter information > save information to set the storage time of old information. If you want to delete all short messages in batches, you can set the retention time to 30 days.

Then, in general > turn off the automatic setting in date and time, and delete all SMS messages after manually setting the time to 30 days.