Then I tried to update to Lolipop and it got stuck at logo. I've tried every flash I can find ... only 4.2.0 and 4.2.2 will take. Then after adding a sim and rebooting it gets stuck on logo again. Or if I click the OTA update it gets stuck on logo.
I've tried a lot of options in the nexus root toolkit.
Maybe I have the wrong radio or kernel for anything beyond 4.2?!?!
Please, any help would be appreciated.