After many jtag i've 2 similar problem with 2 xbox360 falcon jtag ready: with usb i have read 3 times nand and are similar no error...i flash xbr (or xell indifferent...) and i power xbox360....the central green led is on and after 20 second i've 3 red = 0022....so i decide to come back to iriginal nand...but with the same result = 0022 after 20 second.......why? both xbox360 falcon have the same result.....please help me......