The latest update weighs in at around 748.3 MB and features the latest August 5, 2017 security patch, App Shortcuts, GIF(s) support, and new Emojis, and other Android 7.1.1 Nougat Goodies.
Nokia’s instructions explain that for a successful installation, the battery in your phone should be at least 50% charged and your device should be connected to a Wi-Fi network or LTE.
If you haven't got the notification of this new software update yet, Just go to Settings - About Phone - Software updates, and It will automatically start downloading the latest update. The update will take around 10-15 minutes to get Installed on your device.
Screenshot: Ashish Narshana