Huawei Mate Xs User Manual page 145

3
Follow the onscreen instructions to set the lock screen password. Skip setting the lock
screen password if a lock screen password has already been set.
4
From the Paired devices list, touch the name of the device you would like to use for
Smart Unlock, and follow the onscreen instructions to set it as the Unlocking device.
To learn more about Smart Unlock, touch
Encrypt Memory Card Data
You can encrypt files stored on a memory card. Encrypted files can only be viewed and used
on your device.
1
Insert a memory card into your phone and ensure that the memory card has sufficient
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 files 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.
Safe Mode
Safe mode uses a simplified operating system on your phone with only basic functions and
pre-installed apps available. It can be used to locate third-party apps causing system failures.
Safe Mode Functions
After installing certain third-party apps, your phone may fail to work properly. In this case,
you can enter Safe mode to check whether the problem has been caused by a third-party app
or by the system itself.
If the system is running properly in Safe mode, the issue is likely caused by a third-party
•
app. In Safe mode, go to Settings > Apps > Apps, find the third-party app in question, and
uninstall it after switching back to the normal mode.
If the system runs abnormally in Safe mode, then the system is faulty. Back up your data
•
and take your device and proof of purchase to an authorized Huawei Customer Service
Center for assistance.
Enter and Exit Safe Mode
Enter Safe mode: During the startup process, press and hold the Power and Volume up
•
buttons simultaneously until the selection screen is displayed. Press the Volume button to
select Safe mode and press the Power button to enter Safe mode. In Safe mode, Safe
mode is displayed in the lower left corner.
on the Smart Unlock screen.
Settings
141