So this is my story. I have always had the scroll tap issue on my 1520 but this week, it was so much worse than what it was. It would open Cortana and type randomly for me and open and close apps by itself. The phantom tap issue is real. That's not why I'm writing this though. I went to my local AT&T store and the lady smirked when I pulled my 1520 and I explained what was wrong and that I tried to use the Nokia Software Recovery Tool to fix it but the phantom taps were still there. So she erased everything and downloaded the "factory firmware currently offered for Windows Phone 8.1" which I just assumed was Cyan and Windows Phone 8.1. It wasn't. I got home and started looking through my settings because on the default start screen for the factory reset was a title folder. I thought this was strange because I didn't download the DP app or updates since the AT&T rep wiped my phone only 45 minutes earlier. There was a folder there for Music and Videos. So I went into extras and info and it says Lumia Denim!!!!! Some how the rep installed Denim onto my phone and there's things I didn't recognize from Cyan. I'm confused and excited at the same time. I'm guessing that the Denim and 8.1.1 updates for the 1520 are coming soon. As in real soon. So yeah Denim is sweet!