Straight off the bat, you should definitely take this info with a grain of salt for more than a few reasons. The most obvious being Apple's legendary secrecy when it comes to its future releases. And then there is the fact that the original source - leakster CoinX on Twitter has a fairly short track record. Relatively speaking, of course. Then again, the same source did successfully pinpoint the iPhone XS/XR naming last year and also revealed the existence of a 10.5-inch iPad Air. That being the case, if you choose to believe in that particular crystal ball, here is the vague...
Source: https://www.gsmarena.com/apple_could_use_pro_moniker_for_the_iphone_11-news-38621.php