Upgrade or Install Sony XPERIA Z C6603 to Android Lollipop 5.1.1. The firmware 10.7.A.0.222 available for downloading https://drive.google.com/file/d/0B1AAC4lt7nzOX0M3cFdSLXRPZHM/view?usp=sharing. You can download your Sony XPERIA Z C6603 firmware 10.7.A.0.222 at the page. How to Upgrade Sony XPERIA Z C6603 to Lollipop using Sony Xperia Flashtools: