Anyways, I recently rooted my Sprint Galaxy S3 (4.12) but decided unroot it yesterday using Odin 3.07. I flashed a stock rom from Team Epic, but ended up with a black screen with a blue led when I tried to turn it on. I have access to both download mode and stock recovery mode (no CWM or TWRP).
It would be a HUGE help if anyone could guide me through the process of fixing this problem. Thanks!