After rolling out Android Nougat update for unlocked HTC 10 smartphone in the U.S. and Europe last November, the company resumed the roll out in Europe earlier this month after pausing it due to technical issue, with the company estimating a fix due in February.
— HTC India (@HTC_IN) February 23, 2017
Today the company has started rolling out the Nougat update for HTC 10 users in India too. Android 7.0 (Nougat) update also brings the latest Android security update. The HTC 10 Android Nougat update has version number 2.41.400.5 and weights 1.21GB in size.
If you still did not get update you can check it via setting > software update or wait for notification. This update will reach to you soon if you are using HTC 10 smartphone in India.