Hello all used to have hacked Xbox many years ago, now have 2x slims 250gb bought about 7 months, and 4gb slim bought few days ago..250gb has latest dash and is.12v 10.something lol. Slim is 12v 9.6 but on 2.0.13599.0, I have x360usb and Ihas 524b..question is which one do I jtag/rgh or flash if possible ..hope this makes sense ..