Thumbs down [Q] Sprint LG G2 LS980 stuck in lg logo boot loop.

Hello all. I have the sprint lg g2 stuck in the lg logo boot loop. This was caused from the ota update that we were not supposed to take. I have tried everything. I can't do anything with adb it just keeps saying "closed" When I put a command in. I have done the terminal commands and neither of those worked. I have downloaded every reflash software I have found that has been talked about. I can't install stock firmware because when I'm in download mode, my computer doesn't show the device at all. It literally does nothing. IF someone could please please help me fix this, that would be wonderful.