They can only be confirmed by the maker. If they don't publish them on their site or in there tweets or pages they are unconfirmed. Did you check those official sources?
Any update what are the confirmed specs of RealMe 3 Pro? I don't want to know rumored specs as its already available all over the web and youtube.
Will Realme 3 Pro, better then Redmi Note 7 Pro Specs? I want to know this, because i want to buy the best one among this, in a hurry i don't want to regret later.