The 5.2-inch handset with Qualcomm Snapdragon 835 processor that surfaced on Geekbench as Sony G8341 is expected to be unveiled as Xperia XZ1 in early September, during the IFA 2017 trade show in Berlin.
https://www.notebookcheck.net/Sony-Xperia-XZ1-hits-Geekbench.237844.0.html