Let's just say that the Sony Xperia XZs did not ignite people's imaginations. In last week's poll, twice as many voters are waiting for the Xperia XZ Premium than those planning to get the XZs. Worse still, the most popular option proved to be "I'm looking at other brands." Did Sony do enough? The upgrades over the XZ are small and 12% of voters are "fine with the old one" (compare that with 15% voting for "upgrade"). To be fair, Sony is targeting holdouts with Z5 or older flagships, to them the upgrades will be more substantial. But even they will be tempted to wait a few months and...
Source: http://www.gsmarena.com/weekly_poll_results_xz_premiums_long_shadow_keeps_the_xperia_xzs_from_the_spotlight-news-24511.php