so i "tethered jailbreak'd" my ipod. and after about a month of not using it my battery drained...
i charged it and tried booting it using Redsn0w from three different computers and still the same problem it just stops at "uploading first stage"
my specs:
-Ipod Touch 4g
-running ios 6.1.5
-tethered jailbreak

~please help