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.
This device is also known as
Sony C5502, Sony C5503
Thick body (0.41 inches)
The Sony Xperia ZR is most commonly compared with these phones: