Hajisatoshi · 23w My Mk4 got bricked for some strange reason. It was rejecting my passcode and on the third attempt, the device got bricked. I use this signer quite often so i am sure the passcode is correct. Anyone en... ToBeDiscussed @ToBeDiscussed 1758363769 Had a similar thing where it bricked without on power up. You should always have a spare one on stock. 1