Mate20 Pro User Guide-(LYA-L09&L29,EMUI10.0_01,EN-GB)

2 When the scan is complete, touch Clean up after each item and delete any les you don't
need.
Automatically Clean Up System Trash
1 Open
Optimizer, and touch Cleanup.
2 Swipe down from the top of the screen, and your device will automatically clean up
system trash.
Manually Clean Up System Trash
In addition to automatic cleanup, your device will also detect and recommend trash les for
you to clean up manually.
On the Cleanup screen, touch Clean up next to a category, select the items you want to
clean up, then touch DELETE.
Clean Up Duplicate Files
Optimizer can identify duplicate les on your device.
On the Cleanup screen, touch Duplicate les, then select unwanted les to delete them.
Filter and Block Spam Calls
Set dierent block rules to block sales, fraud, and other kinds of spam calls.
Filter Spam Calls
1 Go to Phone > > Blocked > and set the block rules.
Alternatively, go to Optimizer > Blocked > to set the block rules.
2 Touch Call block rules and toggle on the switches of corresponding block rules.
Apps
64