App use issues

How to change the order of device?

I don't want to use the cloud storage service anymore, how do I cancel it? What hAppens to the video in cloud storage after cancellation?

What should I do when the time zone of my device is incorrect?

If forget the password and account, how do I change my App account（Bound mobile phone and Email） and password?

Why can the device be controlled normally in the device panel, but show offline and fail to execute in the automation record?

Why did I not receive phone notifications after purchasing the phone notification service?

How to delete notification numbers for phone/SMS?

How to add notification numbers for phone/SMS?

How to disable notification numbers for phone/SMS?

Why is the error "Incorrect local timer, please correct it. 50502" reported when logging in to the App?