Samsung announces the Galaxy S5 mini-- a smaller version of its flagship smartphone featuring most of its bigger sibling's features, including the fitness sensors and device protection features.
It has a 4.5-inch Super AMOLED display (the on in the regular S5 is 5.1-inch) and carries a quad-core 1.4GHz processor, 1.5GB RAM, 16GB internal storage (expandable to 64GB), 8MP rear-facing camera and a 2100mAh battery inside IP67-certified casing.
The OS of choice is Android 4.4, and a heart rate monitor, fingerprint scanner and connectivity with Samsung wearable devices are included.
Microsoft launches a fourth Android smartphone-- the Nokia X2, a followup to 
The holographic display uses 4 face-tracking cameras (one in each corner of the device) and a "Dynamic Perspective" sensor to provide images with depth. The system also powers some interesting UI tricks, as one can simply tilt the device to scroll through websites or navigate between menus.
A 4.8-inch device with a 1280 x 720 Super AMOLED display, the Samsung Z carries 2.3 GHz processor, 2GB RAM, 16GB storage, LTE, 8MP rear-facing caera, heartrate sensor and a fingerprint scanner within a "slim, angular design."
Sony announces a mid-tier addition to the Xperia smartphone family-- the Xperia T3, a 5.3-inch number claiming to be the slimmest device within that specific size category with thickness clocking at 7mm.
