nova Y9a User Guide-(FRL-L22,EMUI10.1_01,en)

Check Storage Usage
Go to Settings > Storage to check storage usage and optimize it when you feel
necessary.
Cleanup
You can use Cleanup in Optimizer to scan for redundant or large les, such as app residue,
unwanted installation packages, WeChat data, and more. Once detected, you can choose
whether or not to delete les as suggested.
1 Open Optimizer, then touch Cleanup.
2 When the scan is complete, touch Clean up after each item and delete any les you don't
need.
Clean Up Duplicate Files
Optimizer can identify duplicate les on your phone.
On the Cleanup screen, touch Duplicate les , then select unwanted les to delete them.
Security
App Lock
You can lock apps containing private data, such as chat and payment apps, to prevent
unauthorized access.
Enable App Lock
Go to Settings > Security > App Lock > Enable, set the App Lock password and select
the apps to lock.
Change the App Lock Password or Security Questions
Enter the App lock settings screen, go to > Password type, and select Lock screen
password or Custom PIN as the App Lock password.
If you select Custom PIN, you can go on to set a new password and security questions.
Cancel or Disable App Lock
On the App lock settings screen, do the following:
• Cancel App Lock: On the list of locked apps, toggle o the switches beside the apps for
which you want to cancel App Lock.
• Reset App Lock: Go to > Disable App Lock > DISABLE. This will cancel all locks, and
clear all App Lock settings.
Settings
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