Just from the Reddit post as well - doesn't feel overly user-hostile or deserving of the 'JP Morgan Chase Bank admitting to me they hate Linux and BSD desktops and actively block them' title anyway.

If there's active blocking based on OS (from replies in this thread, evidence seems to be slim) then that's not great, but this seems to be pretty one-sided so far.

platform.js 1.3.1 is in there (https://github.com/bestiejs/platform.js/)

I see this from the pretty-printed version

    function a() {
            return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? "Device" : "Desktop"
        }

So let's try to just say I'm say, Opera Mini, still no dice. I tried a bunhch of these to no avail. I don't know how the OP got this.

Well that kind of matches the message he received from the website. It looks like they are just trying to notify you that there is a Chase Mobile App available (which for the average phone user, would be 99.9999% better than using a browser). Personally I wouldn't use a phone for banking but some people don't have laptops/desktops.

> Personally I wouldn't use a phone for banking

Using your bank's mobile webapp is very useful when they, for some god awful reason, decide to use SafetyNet.