Upgrade or Install Sony XPERIA ZR C5503 to Android Lollipop 5.1.1. The firmware 10.7.A.0.222 available for downloading https://drive.google.com/file/d/0B1AAC4lt7nzOeU5pQUF5ZkprMm8/view?usp=sharing. You can download your Sony XPERIA ZR C5503 firmware 10.7.A.0.222 at the page. How to Upgrade Sony XPERIA ZR C5503 to Lollipop using Sony Xperia Flashtools:
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