Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 1 of 2: There are too many running applications
If you've used many applications on the phone, it may get slow because the applications keep running in the background.
Solution: End running applications.
End running applications
Press the Application key.
To end one running application, slide your finger upwards on the required application.
To end all running applications, press Close all.
Or choose...