PIN and PUK of your SIM card are provided by your carrier. number of digits and
maximum number of attempts allowed to unlock your PIN and PUK are subject to your
carrier.
1 Go to Settings > Security > More settings > Set up SIM lock to enter the SIM lock
settings screen.
2 Enable Lock SIM card, enter the PIN, then touch OK.
To change the PIN, touch Change SIM PIN, and follow the onscreen instructions.
Privacy
Permission management
Apps may require permissions, such as the Location permission, in order to provide
you with corresponding
However, some apps may obtain excessive permissions, posing potential risks to your
information privacy and security. You can check the permissions granted to each app and
deny those you deem
Review permission access logs
You can review and manage privacy access logs as needed to disable
permissions and enjoy better
Go to the Permission manager screen and select a permission to turn on or the
application's access.
Manage the Location Permission
After granting the Location permission to an app, it can obtain your location information at
any time. For example, if a map app is granted the Location permission, it can provide you
with location and navigation You can revoke the permission if you do not need
these
1 Go to Settings > Apps > Permission manager.
2 On the Permission manager screen, touch Location, touch the icon of the
corresponding app, then select one of the access permission options.
View and Eliminate Privacy Risks
You can also view the privacy risk on the privacy screen and optimize
permissions to maintain security.
1 Go to Settings > Privacy, the system will automatically scan and detect privacy risks. If
privacy risks are detected, Suggested optimizations will be displayed. Tap Suggested
optimizations to view the privacy risk
2 Tap OPTIMIZE to eliminate privacy risks.
Settings
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