I was surprised that it turned off and did not turn back on after the update. Yesterday, I download the iControlAV2012 app to my wife's and my iPhone 4s phones. At first I kept getting an error message "error code b47110." After some research, I found out that the iControlAV2012 app will not turn on your receiver unless you have NETWORK STANDBY ENABLED. After I enabled network standby, I was able to fully controlled the AVR. I also signed to my Pandora account via the AVR's OSD. Pandora is fully functional, and it sound awesome
I will be off work this weekend, and I will try to run MCACC. I would like to also say that my new Polk Audio 25C sound AWESOME!!! I just need to raise my TV several inches since this speaker is pretty tall. I will be installing the iControl app on my wife's iPad. I also like the option that you can re-name the HDMI inputs! So far, I am very happy with this receiver. At first, I thought I was going to regret buying it.
However, it does sucks for those of you who have had issues with this AVR.