A AbyssImpact macrumors 6502a Original poster Aug 6, 2010 804 17 Feb 6, 2011 #1 My Iphone is running 4.0.2 firmware and when I try to put it in DFU mode to update to 4.2.1 via Tinyumbrella, it does not show up as a connected device. What should I do?
My Iphone is running 4.0.2 firmware and when I try to put it in DFU mode to update to 4.2.1 via Tinyumbrella, it does not show up as a connected device. What should I do?