You need to be rooted to go back or try to Odin the mk4 stock image that rwilco posted a couple days ago...
Sent from my SPH-L900 using Tapatalk
Google Glass Explorer Edition Stock Unrooted for "warranty purposes..."
Galaxy Gear 1 Powered by Null Rom
Sprint Samsung Galaxy Note II (SPH-L900) Sim Unlocked
Kernel: Stock 4.4
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!)