Personal Home
Support Centre
Device Guides
Samsung
Galaxy S21 Ultra 5G
Basic functions
My phone is running slow
Samsung Galaxy S21 Ultra 5G
Android 11.0
Buy now
Search for a topic or a problem
Getting started
Basic functions
Calls, contacts & calendar
Messaging & email
Internet & entertainment
Data & wireless
Popular apps
Back to section Basic functions
My phone is running slow
There are too many running apps
Your phone is overloaded for unknown reasons
We are pleased that you solved your problem!
There are too many running apps
Your phone is overloaded for unknown reasons
We are pleased that you solved your problem!