HTC has already officially revealed that the Android 7.0 Nougat update would hit its current flagship smartphone, the 10, before the end of the year. Specifically, HTC said this would happen in the fourth quarter, which started in October and ends on December 31. While the company still isn't giving us any more details about its rollout, a well known leakster has chimed in today and thankfully brought us a less vague timeline to speak of. According to @LlabTooFeR, who has provided reliable HTC-related information in the past, the Nougat update will hit HTC 10 devices sold in Europe either...
Source: http://www.gsmarena.com/htc_10_to_receive_android_70_nougat_update_in_europe_in_late_november_or_early_december-news-21622.php