I apologise my late reply,
Luma settings are there when holding Select,
and I didn't know resetting the console doesn't delete such.
I'll give the link a try and get back to you, thank you.
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boot.3dsx is on the root of my SD and it appears I have Luma, despite this, the Rosalina menu does not open at all with L+Down+Select on the Download Play menu?