Can you get in to recovery? Hold down volume down and power, wipe cache and dalvik then reboot... If you can make a backup in twrp, do it and try to flash meanbean it has a s-on kernel installer then with titanium you can extract anything from a backup, Good Luck!
Sent from my EVO using Tapatalk 4
Sprint Samsung Galaxy Note II (SPH-L900)
Kernel: Stock 4.3
Rom: Stock 4.3 lordjay589 deodexed 'Unknoxed'
HTC EVO 4G LTE (Retired) HBOOT: 2.09 S-OFF (DirtyRacun-RabiesShot-BabyRacun); T-Mo Mytouch 4g (Glacier) rooted, s-off, sim unlocked, iPhone 1 (aka 2g), 3g, 3GS, 4, jailbroken & unlocked (sold them all to get my Evo!)