Settings --> About device --> Software update --> Update now.

If you're in ownership of the Samsung Galaxy Note 4 or Note 5 through Sprint, then you'll be pleased to hear that the Android 6.0.1 Marshmallow update is now en route to your device. Along with the glut of enhancements offered by Marshmallow 6.0 such as the Doze battery-saving feature , the 1.4 GB bundle includes the emoji pack and March security patch brought forth with Android 6.0.1.Given that Marshmallow has been around for a number of months now, it has taken a while for Sprint Galaxy Note 4 and Note 5 owners to get their hands on the latest flavor. Still, it's good to see that both handsets are being catered to simultaneously, and if you've been eager to test the new features of Android's most recent installment on your Note device, your wait is effectively up.As aforementioned, the update is around 1.4 gigs in size, so it may take a while to download dependent on the state of your connection. If you haven't already gotten the OTA notification and processed the update, you should navigate throughAs ever, the update may not be available immediately to all, but if you don't have any joy at the first try, simply wait a little and check again at regular intervals.source: SamMobile ( 1 ), ( 2