Firmware update: Samsung Galaxy Note 10.1 SM-P605M Android 5.1.1 Lollipop. The firmware available for downloading https://samsung-firmware.org/model/SM-P605M/. You can download your Samsung Galaxy Note 10.1 SM-P605M firmware at the page, available for some countries. How to Root for Samsung Galaxy Note 10.1 SM-P605M is the separated post, this post only for upgrading to Android 5.1.1 Lollipop.