Samsung Galaxy Note 4 received its last update in April and it was not 5.1.1. Today, nearly 5 months – most devices later – finally good to Android 5.1.1 Lollipop, together with any necessary adjustments.
The update started by the US, thanks to Sprint, but today the model gets an update internationally through Kies.
Android is the new features and security enhancements. As usually happens with updates to Samsung, Poland is the first market that will receive the update.