Change the user account bound to the device
1. Enter the “Device list” Page
2. Enter the system serial number , address ,installer ,homeowner name or some other key words
3. Click “Search”,filter the list of eligible device
4. Click "Edit"
5. Click "Basic device information "
6. Click "replace" to change the homeowner account
7. Enter the new homeowner account
8. Click "Comfirm"

Unbind device user account after replace the EMS
1. Enter the “Device list” Page
2. Enter the system serial number , address ,installer ,homeowner name or some other key words
3. Click “Search”,filter the list of eligible device
4. Click "Edit"
5. Click "Basic device information "
6. Click "Unbind" to unbind the user account after replace the EMS, so the app will remove the old EMS automatically
7. Click "Comfirm"
Change the installer or installer account bound to the device
1. Enter the “Device list” Page
2. Enter the system serial number , address ,installer ,homeowner name or some other key words
3. Click “Search”,filter the list of eligible device
4. Click "Edit"
5. Click "Basic device information "
6. Click "installation service provider " to change the installer
7. Click "Installer account" ,and select the technical installer account
8. Click "Comfirm"
Change the device location
1. Enter the “Device list” Page
2. Enter the system serial number , address ,installer ,homeowner name or some other key words
3. Click “Search”,filter the list of eligible device
4. Click "Edit"
5. Click "Device location information "
6. Click "Location icon "
7. Enter the address key words
8. Select the address