@Newbie43 Welcome to the forum. I see you have been unsuccessful with the obvious solutions. One other thing you could try is holding the remote at both ends and giving it a gentle twist as though you were wringing out a cloth. Even though it sounds an unlikely solution it has got many faulty remotes working again (including mine on two occasions).
If that doesn't help then I would request a replacement at the following link: Streaming TV replacement remote
If you have one available you can use a Sky Q remote while you wait for a replacement.
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