Not yet. I have discussed about opportunity to reflash with fbus/mbus, even I know nothing about them. I'm trying to revive this unit and proof it is fully working and no bad-usb. ...And then brick it again =)

At this moment I'm claiming messing with xloader will lead bricking.
(Maybe the point is formally valid xloader, but broken signing).

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Meanwhile I have collected what we (=community) know about NOLO hacking.