As per the renders, we can see the new Sony Xperia XZ4 featuring latest 21:9 aspect ratio taller display at the front with a thicker top and bottom bezels covering the display similar to previous renders. On the back, we have triple rear cameras aligned vertically along with Dual Tone Dual LED flash above it.
Further, the renders show that the new Sony Xperia XZ4 might feature side-mounted fingerprint scanner instead of in-display one. Apart from this nothing much about the new Sony Xperia XZ4 is leaked. We can expect Sony to unveil its newest flagship with Sony Xperia XZ4 by MWC 2019.