Mate30 Pro 5G User Guide-(LIO-N29,EMUI12.0_01,en)

Enable App Lock
Go to Settings > Security > App Lock > Enable, follow the onscreen instructions to set an
App Lock password, and select an app to be locked.
If you have enabled face or ngerprint unlock, you can link App Lock with a face ID or
ngerprint ID as prompted.
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, you can perform 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.
• Disable App Lock: Go to > Disable App Lock and follow the onscreen instructions to
touch DISABLE. This will cancel all locks and clear all app lock settings.
Encrypt Memory Card Data
You can encrypt les stored on a memory card. Encrypted les can only be viewed and used
on your device.
1 Insert a memory card into your phone and ensure that the memory card has sucient
storage space.
2 Go to Settings > Security > More settings > Encryption and credentials.
3 Touch Encrypt memory card and follow the onscreen instructions.
During the encryption, do not restart your phone or forcibly remove the memory card.
Otherwise, the encryption may fail or data may be lost.
To decrypt a memory card, touch Decrypt memory card and follow the onscreen instructions
to decrypt les on the memory card. Formatting a memory card can also decrypt the
memory card, but will erase all data on the memory card.
Encrypting and decrypting the memory card will not be supported if you are not logged
in to a phone as the Owner.
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 you set it
up, you will be required to enter the correct PIN to unlock the SIM card every time you power
on your phone or switch to a new phone to prevent unauthorized access.
If you have entered a wrong PIN and exceeded the maximum number of attempts allowed to
unlock the PIN, you will need to enter the PIN Unlocking Key (PUK) then reset the PIN. If you
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