A benchmark screenshot of a Sony A device featuring an SM4350 processor has led to speculation that this could be a Sony Xperia Compact, possibly the Xperia Ace 2, being tested. The SoC part number correlates to the Snapdragon 480 5G platform, meaning a potential Xperia Compact or Xperia Ace 2 is firmly headed for mid-range smartphone territory.
https://www.notebookcheck.net/Xperia-Compact-and-Xperia-Ace-2-rumor-mill-cranks-up-a-notch-thanks-to-salt-pinching-appearance-of-Sony-A-smartphone-with-Snapdragon-480-SoC.529393.0.html