AR300 [nor]
managed to reset to a point were I could GUI to upgrade, no LuCi
installed proper openwrt, waited
router rebooted
no WIFI, no ETH from router
debricking instructional video did not work

did the same with AR750
same result, no WiFI no ETH
debricking did not work

tried differing cables and clean 5V USB power sources

Now what?