Huawei Mate 8 - Manual (Page 29)

First use and initial setup
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5
If your phone has a fingerprint sensor, follow the onscreen instructions to add a
fingerprint. After adding a fingerprint, you will also need to create a PIN or password
that you can use in combination with your fingerprint to unlock your phone.
6
On the Configuration successful screen, touch Begin to complete the configuration.
Wait for a moment and the EMUI interface should launch. You can now start using
your phone.