If you have a Sprint Samsung Galaxy Note 4 this could be a great news for you!
Sprint is releasing the update for the Android version 5.1.1 Lollipop, the latest Android version, for this Samsung device. This update will bring a very important security fix which patches the vulnerability dubbed Stagefright and which was discovered just a few days ago. Additionally, there are some unnamed performance improvements and bug fixes inside the new software release.
This is an OTA update so it could take a while to reach your device.
When it is ready it will pop up an update notification. After downloading the 615MB file and applying the update, you’ll be on software version N910PVPU4COG5.