Huawei Mate 8 - Manual (Page 198)

Settings
191
From the expanded menu, you can:
•
Touch to return to the previous screen or exit the current application.
•
Touch to return to the home screen.
•
Touch to display the list of recently used applications.
•
Touch to lock the screen.
•
Touch to clean up the phone memory and close all applications running in the
background.
•
Touch to collapse the menu.
Setting your SIM card PIN
A personal identification number (PIN) is delivered with your SIM card to protect your
phone data. If you have enabled PIN protection for your SIM card, you will need to enter
the PIN each time you turn on your phone or insert the SIM card into another phone.
Features may vary depending on your network operator.
Before you perform the following operations, make sure you have received a SIM card PIN
from your network operator.
1
Open Settings.
2
Touch Advanced settings > Security, and then select the options under Card lock to
configure the SIM lock settings.
3
Turn on the Lock SIM card switch.