Upgrade or Install Samsung Galaxy Tab4 10.1 SM-T533 to Android Lollipop 5.1.1. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-T533/. You can download your Samsung Galaxy Tab4 10.1 SM-T533 firmware at the page, available for some countries. How to Root for Samsung Galaxy Tab4 10.1 SM-T533 is the separated post, this post only for upgrading to Android Lollipop.