In fact, WIFI update and update SCM is the same process
When you click to update the time, APP with MQTT Message to WIFI. Inquiry device model
A model in a folder, stored inside the device program files, as well as file versions and updates
After obtaining the model, APP obtain information about the type of update information file (updatainfo.txt) inside via http
Updates to the device, the device after comparing the version number of the version number is not the same reply
Then it is to send updated instructions
