Set a SIM PIN Lock
A PIN is the identity code of a SIM card, and can be set as the SIM card lock. After doing so,
you will be required to enter the correct PIN to unlock the SIM card every time you power on
your device or switch to a new phone to prevent unauthorized access.
You need to obtain the PIN of your SIM card from your carrier before using this function.
1 Go to Settings > Security > More settings > Encryption and credentials to enter the
SIM lock setup screen.
2 Enable Lock SIM card, enter the PIN code, and then touch OK.
To modify the PIN, touch Change SIM PIN and follow the instructions.
• You will have to enter a PIN Unlocking Key (PUK) to unlock the SIM card if you exceed
the maximum number of failed attempts to enter the PIN. A new PIN needs to be set
up once you successfully unlock your SIM with a PUK. Should you also exceed the
maximum number of failed attempts to enter the PUK, your SIM card will be blocked.
• The PUK can only be obtained from your carrier.
Pin a Screen
You can pin the screen of an app so you can stay focused on it. Try this feature when playing
games, watching videos, and more.
Go to
Settings > Security > More settings > Screen pinning, and enable Screen
pinning.
• When using gesture navigation, swipe up from the bottom of the screen and hold to access
the recent tasks screen, then touch
on an app preview. To unpin, swipe up twice from
the bottom of the screen.
• When using three-key navigation, touch to access the recent tasks screen, and touch
on an app preview. To unpin, touch and hold .
Privacy
Permission Management
Apps may require certain permissions, such as the Location permission, in order to provide
you with corresponding services.
However, some apps may obtain too many unnecessary permissions, posing potential risks to
your privacy and information security. You can monitor the permissions granted to each app
and deny those you deem unnecessary.
Settings
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