Why does it take half an hour for a mobile phone to receive a push message before it arrives?

• 6059

Can’t find device in AP mode APP?

• 5474

APP click to open the “cloud storage” button prompting “not support this function”?

• 2443

Scanning the sharing QR code prompts “The sharing QR code is invalid”?

• 2974

Can’t the Huawei mobile phone receive the alarm message?

• 2873