Zte Blade A7 2020 - Encrypting Pictures;Videos;Files; Locking Apps

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5. If you have registered a fingerprint in your phone, the phone
will prompt you to use your fingerprint to access Private
Space. Touch OK to confirm.
Encrypting Pictures/Videos/Files
After the pictures, videos, and files are encrypted, they can be
accessed only in Private Space.
1. Open the app list and touch Private Space.
2. Enter the lock pattern, password or fingerprint you set.
3. Touch Pictures, Videos or Files.
4. Touch to add pictures, videos, or files from your phone
storage or the microSDXC card. You can also take pictures
or videos and encrypt them directly.
The added items will be moved into Private Space.
NOTE:
To decrypt pictures, videos, or files, touch and hold an item and
touch more to select them, and then touch > OK.
Locking Apps
After an app is locked, you need to enter the lock pattern,
password or fingerprint you set before using that app. You can
also use face recognition to open the locked apps. See Set
Face Recognition Options.
1. Open the app list and touch Private Space.