HTC has released a software update (v1.56.401.70) for the One A9 in the Europe, which brings support for the latest Qualcomm Quick Charge 3.0 technology along with other system enhancements.
Qualcomm’s Quick Charge 3.0 technology offers faster charging than Quick Charge 2.0. The update also brings the ability to adjust the display's colour temperature and other system enhancements.
The update also comes with the latest Android security patches for March. Weighing in around 440MB, the new firmware is being rolled out over-the-air in phases, so it may take some time to reach to your device. After the successful rollout in the Europe,