The King-Devick Test in association with Mayo Clinic app has a function to verify the app's ability to connect to the internet that can be used to confirm your local network allows the app to communicate properly.
- Start by going to the settings menu, which can be accessed by pressing the 3 lines button in the top left as highlighted in red in the screenshot below.
- From there Select the Settings Button.
- Select the Diagnostics Button in settings.
- From there select the Test Connection button and the app will display whether or not it was able to communicate properly to sync.