This is the official Sony Xperia ZR User Guide in English provided from the manufacturer. If you are looking for detailed technical specifications, please see our Specs page.
Sony Xperia ZR is compliant with IP55 and IP58 for dust and water resistance. That means it can be used under water to depths of 1.5 meters (just under 5 feet) for up to 30 minutes. The CPU is a Qualcomm Snapdragon S4 quad-core unit tuned to 1.5GHz. Android 4.1 Jelly Bean is on board with 2GB of RAM and 8GB of storage (microSD up to 32GB). The display is 4.55-inches, TFT 1280x720 which works out to 323PPI. The main camera is a 13MP Exmor RS sensor.