How to activate or deactivate emergency alerts on Huawei devices

Huawei MatePad Huawei MatePad
Huawei P40 Pro+ Huawei P40 Pro+
Huawei P40 Pro Huawei P40 Pro
Huawei P40 Huawei P40
Huawei P40 lite Huawei P40 lite
Huawei MatePad Pro 5G Huawei MatePad Pro 5G
Huawei Mate Xs Huawei Mate Xs
Huawei nova 7i Huawei nova 7i
Huawei nova 6 5G Huawei nova 6 5G
Huawei nova 6 Huawei nova 6
Huawei nova 6 SE Huawei nova 6 SE
Huawei MatePad Pro Huawei MatePad Pro
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