Mike, will the app extender work on an iPhone 4S that has been downgraded from 6.0.1 to 5.1.1? Any HU firmware requirements? Can you post a link of where to get all of the software required? The last time I jail broke an iPhone I used RedSn0w and it royally f'd up my phone so I'm a little paranoid about doing this, but I want want it so badly that I'm going to take a risk.