@jperfon Read this:
https://forum.recalbox.com/topic/23878/7-2-can-no-longer-pair-8bitdo-sn30-pro-controllers
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8bitdo wireless adapter not working on Start-up
GamePad/GPIO/USB encoder • 10 May 2021, 09:00 • jperfon 10 May 2021, 23:30 -
SN30PRO (Trouble start-up connecting)
GamePad/GPIO/USB encoder • 7 Mar 2021, 10:32 • Craken 7 Mar 2021, 12:47