Android 7.1.1 was recently unleashed by Google for its own devices, and now it looks like Sony aims to become the first brand from the crowd to get the update ready. According to a recent report, the developer team of the Japanese company has made this update its "number one priority."
http://www.notebookcheck.net/Sony-to-bring-the-Android-7-1-1-Nougat-update-soon.187258.0.html
Great information! I hope notebook check team will retest the battery life for Sony Xperia XA , battery life is getting better after system update every time!!