Firmware update: Samsung Galaxy Tab Iris SM-T116IR Android 5.1.1 Lollipop. The firmware available for downloading https://samsung-firmware.org/model/SM-T116IR/. You can download your Samsung Galaxy Tab Iris SM-T116IR firmware at the page, available for some countries. How to Root for Samsung Galaxy Tab Iris SM-T116IR is the separated post, this post only for upgrading to Android 5.1.1 Lollipop.