This is just a handy tip for anyone beginning to develop or test a Drupal IPhone theme when they don't have an IPhone and are not using a mac.
The first thing you need to do is add the User Agent Switcher FireFox addon - https://addons.mozilla.org/en-US/firefox/addon/59.
This module allows you to impersonate any browser when viewing a site (obviously this has lots of uses when doing drupal seo as well). It will take a browser restart to get it working.
Then add in a new user agent using the user agent details below for the iPhone: