Firmware update / Stock ROM: Samsung Galaxy A5 SM-A500YZ Android 5.0.2 Lollipop. The firmware available for downloading https://www.sammobile.com/firmwares/database/SM-A500YZ/. You can download your Samsung Galaxy A5 SM-A500YZ firmware at the page, available for some countries. How to Root for Samsung Galaxy A5 SM-A500YZ is the separated post, this post only for upgrading to Android 5.0.2 Lollipop.