Nokia Lumia 900 has undoubtedly been among the best windows Phones released till date. However, out of very few areas where it lagged behind, camera quality was one. Various customers had also reported software issues with its camera.
However, with the Tango update, the performance of its camera has seen a drastic improvement. One of the reasons behind this betterment is the ISO performance. ISO controls the film speed and exposure in the camera. It is said that after the update, there has been a correction in the ISO more accurately, thereby improving its performance and taking nice snaps.