I posted it in some other similar threads today and have had three people reply that it worked for them too, and nobody so far saying it hasn't worked with iPhone Data Recovery. And yes, everything was still on my iPad; contacts, web bookmarks, all photos, nothing was changed. It just didn't update to iOS 7. After I got it working again I just used Wi-Fi and upgraded to iOS 7 over the air with no problems, using it as I type this. If you're still stuck, trying this will not endanger anything at all on your device. Worth a try at least, and I'm guessing it'll work for you to recover lost data of iPhone stuck in recovery mode.