The Sony Xperia ZR is the younger sibling of the popular Xperia Z. It launched in June 2013 with Android 4.1 Jelly Bean. The 4.55" display has a resolution of 720x1280 pixels. The 1.5 GHz Snapdragon S4 processor is quad-core. The Xperia ZR runs on 2 GB of RAM, with 8 GB of internal storage which can be expanded with a microSD card. Much like it's older brother, the Xperia Z, this phone is dust and water resistant.