Iphone Unicom received a text message

Special text information that can be seen on the mobile phone screen.

There is too much garbage in the 1. cache. Enter the settings, select the application to open all, find the problematic application, and clear the data or cache. 2. If there are too many programs running, some applications can end running in the background of the mobile phone. 3. If there is a problem with the application version, you can update to the new version. 4. If the software download is incomplete, you can choose to delete the software and download it again.