Sony has announced that a firmware update for the Sony Xperia Z1 and Sony Xperia Z Ultra is now rolling out. However, the company has not mentioned a specific timeline for the firmware update but mentions the timing and availability may vary by market and carrier.
The company has also released changelog for the update that reveals the Xperia Z1 will be getting an improved camera algorithm for better performance and refined Sony's Smart Social Camera platform that the company hopes to improve performance of Xperia Camera apps (particularly Burst Mode, Superior Auto, AR Effect and Sweep Panorama).
On the other hand, the Sony Xperia Z Ultra gets improved optimized touchscreen sensitivity that would work with finger gestures, writing or sketching with pencils, metal pens and even selected styluses.
Further, both the Xperia Z1 and Xperia Z Ultra will be getting some common changes, including a re-calibrated display to enhance viewing experiences; economised power consumption for longer battery life, and streamlined Exchange connection for faster email sync, display and download.