Photos of what is allegedly the Sony Xperia XZ1 have appeared on a Turkish website, showing a recognizable Xperia handset with a few tweaks to the design. The packaging screen protector was still on in the photo showing many of the specifications of the phone.
https://www.notebookcheck.net/Sony-Xperia-XZ1-images-surface-showing-design-and-specifications.241702.0.html