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Pro.Hack
i tried your method, everything went fine, i could flash your bios dump, after i flashed my original dump from 3.73, also went trough. after successful flash of downgrade.bin, i turned off my ps3, switched power completly off and than tried to use my dongle - but after powering on with power and eject i do still not have any usb activity, so i cant.enter service mode. any ideas? thanks