Images of the Sony Xperia XZ4 have been revealed, showing the device with an incredibly long 21:9 display ratio that ensures that users with smaller hands will have a hard time using the phone one-handed. The XZ4 will also run on Android Pie out of the box.
https://www.notebookcheck.net/New-images-of-the-Sony-Xperia-XZ4-reveal-an-ultra-long-display-that-discourages-one-handed-usage.397036.0.html