The how to doesn't make it clear that you have to add the "eagle" & the "giraffe" key to the Info.plist. So here's a short abstract of the whole thing:
- Install the newest Xcode 4.4.1 4F1003 (it didn't work with 4.4 for me)
- Put [0] in [1]
- Edit [2]. You might have to change the permissions of the file to edit it. You know you can do it!
- Add a "eagle" key with a string value of "640"
- Add a "giraffe" key with a string value of "1136"
- Install the newest Xcode 4.4.1 4F1003 (it didn't work with 4.4 for me)
- Put [0] in [1]
- Edit [2]. You might have to change the permissions of the file to edit it. You know you can do it!
- Add a "eagle" key with a string value of "640"
- Add a "giraffe" key with a string value of "1136"
- Start the simulator in iPhone retina mode.
Hope this helps a little
[0] - https://raw.github.com/gist/34797bfbde1563b039a5/282cb2e9065...
[1] - ~/Library/Application Support/iPhone Simulator
[2] - /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Applications/iPhone Simulator.app/Contents/Resources/Devices/iPhone (Retina).deviceinfo/Info.plist