The much leaked ZTE Axon M (codenamed Multy) has finally become official today. You can call this a flip smartphone, or a foldable one like its maker would like you to. This isn't foldable like in those tech dreams where the screen of the handset folds - instead, what we have here is a two-screen phone with a hinge in between. When it's folded, the Axon M has a display on either side. When you unfold it, you get a total viewing area of 6.75", but the bezels don't help create the illusion that you're looking at one screen and not two. Those screens are 5.2" 1080p LCDs, by the way....
Source: https://www.gsmarena.com/foldable_zte_axon_m_is_official_with_dual_touchscreens-news-27776.php