I am also having the same problem even 9 months after the initial post. It is not limited to pictures, but have had it happen with all kinds of attachements. If I use the appsuite email at my.xfinity.com using a web browser, I can see and access the attachments just fine. It's only in the xfinity connect app that I cannot see them. I am using the app on android 8 on my phone and android 6 on my tablet. I have noticed that it seems to always be in email from an iphone user that I cannot see the attachments.
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