Samsung is already working on new Galaxy A series smartphones, and we're not talking about "s" variations, although quite a few of those have recently been made official too (and more are on the way). The 2020 A family will comprise of handsets with names ending in "1", and the highest-end of the bunch will be the Galaxy A91, unsurprisingly. Earlier this month we found out that this beast would sport a 108 MP main rear camera sensor, flanked by a 16 MP ultrawide and a 12 MP telephoto with 5x optical zoom, as well as a 3D ToF camera. Now according to Samsung itself we get another tidbit...
Source: https://www.gsmarena.com/galaxy_a91_will_have_45w_fast_charging_samsung_confirms-news-38871.php
