If you have a Samsung Galaxy Note 4 there is good news for you, as this model has begun to receive an update of its operating system for its European variant, which is the SM-N910F. Obviously this is the version of phablet sold in thes countries and, therefore, will soon be started with its corresponding deployment.
The new firmware is based on Android 5.1.1 Lollipop version, so that the last official Lollipop entities that Google has released before the final arrival of Marshmallow is achieved. The first country in which the ROM is available is Sweden, and you can get this on the following link. By the way, you can easily install it by following the usual steps of installation in this cases and changing the language to your language, of course.
The build version is the N910XXU1COH4, and comes with the TouchWiz interface and the download size is considerable: 563.18 MB. Therefore, it is desirable to download the firmware from servers and is highly recommended to use a WiFi network. Besides, the battery charge must be at least 90%. The fact is that the Samsung Galaxy Note 4 of Europe jump from Android 5.1 to the latest version of Lollipop.
With the arrival of this update Samsung fulfills a commitment that all phablet models have global Android 5.1.1 before the end of the year, pending an approximate date on which the appropriate version will be taken with Marshmallow-based, which is expected to occur in early 2016, when major manufacturer models will be updated.
The improvements achieved with this new firmware are two in particular: better management of the RAM memory, which increases overall performance, and some problems are corrected in the section on security. Also stability is an important step beyond.