Depending on your test product, your Klarity app will need permissions to use the camera and access to the photo library.
If you are unable to record or upload a video/photo, please make sure that those permissions are given in your device settings.
You can also try the web app using a browser: https://web.getklarity.io/
If you still encounter problems, please make a screen shot of the page that is not working and send this together with your App version number to firstname.lastname@example.org
Without this information, we are unable to help you. Thank you!