HTC has released a software update for the HTC One M9. The update that can be installed over the air to bring the version number 1.40.401.5, but it is still based on Android 5.0.2 Lollipop instead of the newer Android 5.1 Lollipop. According to the list of changes improves the update for the One M9 camera performance and prolongs the battery life.
HTC One M9 software-update
The improvements for the camera consist of a balanced exposure automatically in order to prevent over-exposure. Furthermore, the camera of the HTC One M9 would deliver sharper pictures with less noise, which should result in clear and detailed photos. In situations with much or extreme lighting there would be fewer yellow and green tones are visible.Read More »HTC One M9 improves battery life and camera