If you thought that the Sony Xperia Z1's rear-facing camera was amazing, you might need a new adjective to describe it following a firmware update that improves the algorithm to improve the performance of the camera; features like Burst Mode,Superior Auto, AR Effect and Sweep Panorama are improved following the update...
Source: http://www.phonearena.com/news/Update-brings-improvement-to-rear-snapper-on-Sony-Xperia-Z1_id48689
Source: http://www.phonearena.com/news/Update-brings-improvement-to-rear-snapper-on-Sony-Xperia-Z1_id48689