Firmware update: Samsung Galaxy S5 mini SM-G800Y Android 5.1.1 Lollipop. The firmware available for downloading http://www.sammobile.com/firmwares/database/SM-G800Y/. You can download your Samsung Galaxy S5 mini SM-G800Y firmware at the page, available for some countries. How to Root for Samsung Galaxy S5 mini SM-G800Y is the separated post, this post only for upgrading to Android 5.1.1 Lollipop.