Sony model names follow a simple scheme - the letter indicates the year. For example, "H" was used for 2018 phones (XZ2, XZ3, XA2, L2), "G" for 2017 models (XA1, XZ1, etc.) and so on. So, what do you make of this? The User Agent profiles for three Sony units were discovered - J8110, J8170 and J9110 (we think they are the same model, see below). The "I" generation wasn't skipped over, there are UA profiles for the likes of I4113 (likely XA3) and I4312 (L3). So, we wouldn't have expected to see J-phones until 2020. And look at that resolution, 1,440 x 2,880px. That's a pure 16:9 or...
Source: https://www.gsmarena.com/sony_is_working_on_a_new_flagship_not_xz4_with_a_more_common_aspect_ratio-news-35412.php
