The watch can notify you of this. We consulted the manufacturer's manual, which states: "When the phone calls or receives notifications of SMS, What's app and other APP messages, the watch vibrates and displays the caller's number or the content of the message to avoid missing important information."

The best way to do this is to contact our customer service team directly via a live channel at https://helpcenter.galaxus.ch/hc/de/requests/new. We can then clarify whether there is a fault and take the necessary steps.

I don't know, it was a gift.

I advise you to try this link: https://apps.apple.com/us/app/lenovo-smart-watch/id1500852578 If that doesn't work, it's best to contact our customer service so that we can check it out.

This would be the link to the app : https://apps.apple.com/us/app/lenovo-smart-watch/id1500852578

According to my research, the E1 PRO uses a proprietary operating system from Lenovo that is compatible with "Android 4.4 & Apple iOS 8.0 and later".