I can edit the full CCF in a Discovery Sport, so it's possible (for me at least) to change that setting from Halogen to Xenon.
But i don't use the aftermarket diagnostic tools from Blackbox or Gap, so I cannot speak for them or their capabilities.
Leo's problem is he is in Greece, and he could not find someone to do it locally.
EDIT
Also worth mentioning that I can now edit the CCF in the Discovery 5 and the Velar too, and other 2018MY vehicles, finally!
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