FMCREPAIRARMAGH
THIS IS A TETHERED DOWNGRADE BUT IF U HAVE ONE OF THESE SUPPORTED DEVICES THEN IT WILL WORK 100%
iPhone 4
iPhone 3GS (not publicly)
iPod Touch 4G
iPod Touch 3G (not publicly)
iPad 1
IF UR DEVICE AINT ON THE LIST THEN IT WONT WORK BUT IF U HAVE ANY OF THESE USE WHITED00R 7
IPHONE 2G 3G
IPOD TOUCH 1G OR 2G
HERES THE LINKS FOR THE GEEKGRADE IPSW AND OTHER LINKS
WHITED00R 7 LINK
http://www.whited00r.com/index?lang=en
ONCE U DOWNGRADE ITS LIKE A TETHERED JAILBREAK U JUST NEED THE ORIGINAL IPSW AND THEN USE REDSN0W TO JUST BOOT IT. YOU CAN JAILBREAK AFTER DOWNGRADING THATS WHY U DO IT .