https://www.techradar.com/news/sony-xperia-xz2-compact-proves-that-big-things-really-do-come-in-small-packages

Sony's latest flagship, the Xperia XZ2, wasn't the only handset the company revealed today at MWC 2018 — the electronics giant also lifted the veil on its Xperia XZ1 Compact successor, aptly named the Xperia XZ2 Compact. 

Boasting big features on a small polycarbonate and metal-reinforced frame, the XZ2 Compact includes an HDR-ready 5-inch Full HD+ extended display (the exact aspect ratio is currently unknown) and will run Android 8.0 Oreo right of the box.