[rukenshia]

if you're talking about the iCloud website, switch to "Desktop Mode" on your phone and it will work for the "Find my iPhone" application on there.

source: lost my phone and went full panic mode when it said "unsupported" and fiddled around with it for 30 minutes on an android phone

[notafrog]

Oh boy, scrolling through that page in mobile is a nightmare.

[rubatuga]

Exactly, not sure why the parent commenter couldn't do this.