The screen doesn't update or is frozen

1. 1Check the internet connection on the device.
2. 2Refresh the page (pull down or tap refresh in the browser).
3. 3If Qvon is installed as an app, close it and open it again.
4. 4Make sure you're using an up-to-date version of Chrome.

If that doesn't help, write to support: which screen, on which device, and attach a photo of the screen.