Ultimately, the problem is (I believe) that the app isn't recognizing your 2 devices as a 'garage' device type. More than just the icon - there's other attributes that go along with being a 'garage' device.
If you just want to change a device icon to a garage door you can do that.. I didn't see it on iconsdb.com so this might have been 1 I just found elsewhere.. there's a way to edit the config file (export, edit it and then import).. but, there's 2 better options:
- the best option is to install a garage door driver in HE.. this is the one I think you'd want. It will create a single 'garage' door device that's made up of properties from your 2 garage door devices today. The app will automatically recognize it as a garage door and you should be good to go
- I can update the app to let you change the device type to 'garage' if the device has "Garage" in it.. I'm doing that for "door" and "window" today (vs standard contact device type). But, option #1 is really the right way IMO
