Default [Q] Stuck at omni animation screen on startup

Samsung galay s3 I9300, kit kat 4.4.4

After updating nightly to 2014-07-09 the camera still did not work. I then downgraded to an older nightly (2014-06-24) and now my phone gets stuck at startup at the omni logo (bootloop?).....

I have no backup and tried to flash like ten times.... How can I get back without erasing everything and starting over again?