Please keep in mind this as a way of knowing what NOT to do. If you seemed to have gotten a brick, first try taking out the SD card (seems to be a menuhax error, intended to happen) and booting into recovery mode. If you bricked your console, please report it here!
[WIP] List of known bricks due to an attempt to downgrade to 9.2.
[WIP] List of known bricks due to an attempt to downgrade to 9.2.