Managing the device memory
Clearing your device's memory can help improve your device's speed to make it go faster. Your device may become slow because it is low on memory.
1.
From the Settings app, scroll to Smart Manager.
2.
Tap Smart Manager.
3.
Tap Memory.
From this screen, you can view details about how your device memory is being used.
4.
Tap CLEAN.
5.
You've completed the steps!
