Take your battery out for at least 5 minutes than put on the charger for awhile (couple hours) than try again. If none of this works hero had a wire up on how to fix your soft brick phone that might help. If your bootloader wasn't unlocked I'm not sure what to do to fix that. I hope you get it going. I'll post that link if I find it.
EDIT : read this post. http://forum.xda-developers.com/show...php?p=30386309
Sent from my SCH-I535 using xda premium
I'd never heard of this technique, but it worked for her.