Can I answer phone calls on Glass? Angela June 22, 2021 05:47 Updated No. Glass is a Wi-Fi device only and does not have a 3G or 4G connection. Related articles How long is the battery life? Install Metix on Glass What can the Glass wearer see during a video conference? How do I update Glass? Can I connect Glass to a smartphone hotspot? Comments 0 comments Please sign in to leave a comment.