HTC has started the roll out of official Android 7.0 Nougat update for HTC One A9 in Europe. The update brings February security patches, software version 2.17.401.2 and rolls out via OTA. The update lands in Belgium and will be rolled out in rest of European region gradually so if you own a HTC One A9 get your device ready as the OTA will touch your device anytime soon or directly go for it right now, go to Settings > About device > System updates.
The official Nougat 2.17.401.2 update for HTC One A9 is has also brought latest security patches along other system enhancements. Nougat for HTC One A9 was released at the start of 2017 later it was released in Taiwan then USA and now in Europe. Just charge your device to a safe level and then download and install the Nougat 2.17.401.2 update on HTC One A9.
Stay tuned for more updates!