au by KDDI in Japan announced the release of the new flagship phones the Xperia XZs, Galaxy S8 and the Galaxy S8+ ones.
The new Xperia XZs SOV 35 will be available from May 26, 2017 at the company with pre-installed Android 7.1 while the latest Samsung phones the S8 SCV 36 and the S8+ SCV 35 will be available from June 8, 2017 with pre-installed Android 7.0

These phones are already available in the market with SIM free versions or at the other carriers and as you can see the au users had to wait for the release until now. If you want to find more information the au version phones click here: