Sony Xperia ZR was officially announced in May 2013. It was made available for purchase in select markets a month later, in June 2013.
The mid-range device features a 4.55-inch TFT screen with 720 x 1280 resolution, 323 ppi pixel density and Sony Mobile BRAVIA Engine 2 technology, while being powered by a Qualcomm Snapdragon APQ8064 SoC with quad-core 1.5 GHz Krait CPU and Adreno 320 GPU. It also comes with 2 GB of RAM, 8 GB of storage, and support for microSD cards up to 64 GB.
Sony Xperia Z4 is 131.3 mm tall, 67.3 mm wide, 10.5 mm thin, and weighs in at 138 grams. It also integrates a 2,300 mAh battery and has all the connectivity features worthy of a modern smartphone including LTE, HSPA+, WiFi, Bluetooth 4.0, NFC, and microUSB 2.0.
The terminal is equipped with a 13.1 MP rear-facing camera with autofocus, LED flash, Geo-tagging, touch focus, face detection, HDR, sweep panorama, and Full HD video recording with HDR. The user-facing camera has a VGA sensor.
The device was launched with Android 4.1 Jelly Bean and it’s upgradable to Android 4.4 KitKat. Sony promised to update the Xperia ZR to Android 5.0 Lollipop.