The interface will show "Discovering devices...". Click "Add" to enter "Add Device" interface.
(Note: I can also choose to add manually, by clicking on "Large Home Appliances", then
choose "Water Heater (Wi-Fi)"
Select the same 2.4GHz Wifi network with your mobile device and enter password.
Click "Next". The interface will show "1 device is being added". Be patient as it will take some time
for the device to be added.
When the device is added successfully, the interface will show "1 device(s) added successfully".
Click "Done" to enter the app Homepage.
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