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 do I update Glass? How many people can I have in the video conference? What to do if you have no Wi-Fi or poor mobile data access How do I start a video conference? Can I connect Glass to Bluetooth devices? Comments 0 comments Please sign in to leave a comment.