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

• 5958

Can’t find device in AP mode APP?

• 5352

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

• 2321

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

• 2839

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

• 2768