How to safely shut down or force shut down Huawei devices

Huawei nova 6 SE Huawei nova 6 SE
Huawei MatePad Pro Huawei MatePad Pro
Huawei Y9s Huawei Y9s
Huawei nova 5z Huawei nova 5z
Huawei Enjoy 10s Huawei Enjoy 10s
Huawei Enjoy 10 Huawei Enjoy 10
Huawei Mate 30 Huawei Mate 30
Huawei Mate 30 5G Huawei Mate 30 5G
Huawei Mate 30 Pro Huawei Mate 30 Pro
Huawei Mate 30 Pro 5G Huawei Mate 30 Pro 5G
Huawei Mate 30 RS Porsche Design Huawei Mate 30 RS Porsche Design
Huawei nova 5T Huawei nova 5T
Huawei Enjoy 10 Plus Huawei Enjoy 10 Plus
Huawei Y5 (2019) Huawei Y5 (2019)
Huawei nova 5i Pro Huawei nova 5i Pro
Huawei P20 lite (2019) Huawei P20 lite (2019)
Huawei Y9 Prime (2019) Huawei Y9 Prime (2019)
Huawei nova 5i Huawei nova 5i
Huawei nova 5 Huawei nova 5
Huawei nova 5 Pro Huawei nova 5 Pro