If you signed up to beta test Sony's first build of Android 7.0 Nougat for its Xperia X Performance smartphone, it's worth knowing that Sony has started sending out emails to those who have been picked to enter the Beta Program. In the email, Sony says that the beta update will be rolled out over-the-air, and will start hitting selected Xperia X Performance units in the next 48 hours. More information related to the update will be shared via email shortly. Via
Source: http://www.gsmarena.com/sony_xperia_x_performance__android_70_beta_update_imminent_-news-21386.php