What can I do if my phone runs sluggishly?
Go to Phone Manager, touch Scan, and follow the onscreen instructions to optimize your phone.
Go to Phone Manager, touch Phone accelerator, and follow the onscreen instructions to close applications not in use.
Go to Phone Manager, touch Storage cleaner, and follow the onscreen instructions to perform a smart scan, and clear the application cache, system trash files, applications not in use and their installation packages, and large files, such as videos.
Restart your phone.