Responsive view not working on mobile

Hope you can help…
I have created responsive views as the image below:
The page adapts when I change the browser size on desktop but does not adapt on iphone. Is there a setting that I an missing?

Hi Richtux,

Is the “Viewport Tag” option enabled for your prototype? The viewport tag option enables mobile browsers to use the correct viewport settings to display web pages, which will affect your adaptive views as well. This option can be found in the “Mobile/Device” tab of the “Generate HTML” dialog (“Publish > Generate HTML Files”):

If you’re interested, you can read more about the viewport tag here:

If that didn’t do the trick, would you be able to post a copy of your RP file so we can take a closer look at what might be going on? Feel free to send it in an email to support@axure.com if you’re more comfortable with that. Thank you!