Installation instructions – Room Display 3 Classic software:

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  1. Install the application on your device (preferably from the Android market, or downloaded via
  2. Go to Settings
    1. If this is the first time you run the app, then you will start here
    2. If the app is already running, then click the black icon in the corner
  3. Expand “Device License”
  4. Click on “Register your device”
  5. Enter your license key
  6. Click activate
  7. You should get a response that your device has successfully registered. If a problem occurs please:
    1. Try again and make sure that the license key is correctly typed
    2. Make sure you have wifi connection and access to webpage via the device (try in your browser)
    3. If the problem still persists, please visit for more information
  8. If you want to move the license to another device, you need to do the same procedure for registering, but you need to go through “Unregister device”