Firmware update / Stock ROM: Samsung Galaxy S4 SPH-L720T Android 5.0.1 Lollipop. The firmware available for downloading https://www.sammobile.com/firmwares/database/SPH-L720T/. You can download your Samsung Galaxy S4 SPH-L720T firmware at the page, available for some countries. How to Root for Samsung Galaxy S4 SPH-L720T is the separated post, this post only for upgrading to Android 5.0.1 Lollipop.
Tags: Android 5.0.1 Lollipop, firmware update, Galaxy S4 SPH-L720T, stock rom