My friend has an iPod touch 2g 8GB with iOS 4.2.1, and his iPod's setting says it has 4.9GB of space left in settings but loader would not install Cydia, and would say "disk space needed". But the Cydia icon is already in the springboard, and doesn't launch when tapped. He's going to try redsn0w, but is there a way to fix this?
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