[Q] Galaxy Note Bricked / Freezed...

Hello,
I have samsung galaxy note after brick (I had to use pit's to help with brick). Everyhing seems to be okay on gingerbread (sometimes some few secs lags) but when I upgrade to stock xxlsz its freezing. Its freezing very often. Now I was adding google account and phone screen went black and nothing happens. Its connected to the pc and I can access storage but when I disconnect it and connect it I can hear in pc sound that its connected but I cant access memory anymore. Very ofter phone just displays the app that I was using and no touch or button reaction, even when I connect or disconnect charger. So i hold power button till it turn of and turn it on again then its mainly stucking on samsung screen and then reboot and its like that for loooong time. When i remove battery for 5 mins or maybe even less its botting up again but phone is wiped. I mean its asking for everyhing as I would do full data wipe.
I was checking I think every possible stock rom.

I also found this but Im not that good and I dont know what to do with it.
http://forum.xda-developers.com/show....php?t=1823918
http://forum.xda-developers.com/show....php?t=1667886

Any help would be very, very appreciated.

Thank you.