Not familiar with LG’s site so I don’t have any links quickly available. But if it helps, and if you know the link or roughly where in the site the file was, maybe you could try checking Internet Archive, Archive Today, or, if the site has an Australian equivalent, the Australian Web Archive / Trove? Don’t know other page-archiving alternatives, but if you do, I would also suggest checking on them.
But what if you try to navigate through the archived pages? The lack of direct links is something that also happens in some Microsoft pages, but some times Internet Archive manages to archive such pages anyways.