JK Shin, president and head of Samsung's mobile division, presents Samsung Electronics' new Samsung Galaxy SIII smartphone during its launch at The Earls Court Exhibition Centre in London
The device runs on Android Ice Cream Sandwich.
The device has a big 4.8-inch HD display and a front facing camera.
Samsung Galaxy S III is powered by a 1.4 GHz quad-core processor and 1GB RAM.
Below the screen is a physical home button and two capacitive touch buttons.
The smartphone has a 8MP camera with flash and is capable of 1080p HD video recording.
Weighing just 133 grams, it weighs just 3 grams more than HTC One X.
The phone is just 8.6 mm thick and is easy to hold.
Many of the old TouchWiz features are still present in Galaxy S III, like swiping the contact name left or right to message or call.
With Smart Stay feature, the display retains its brightness depending upon whether you are looking at the screen or not.
Galaxy S III comes with the S Voice assistant that is Samsung's answer to Apple's Siri.
The smartphone also comes with a Direct Call feature that calls any person that you are sending a text message to, simply by raising the phone against your ear.
On the right side of the device is a standby/power button.
The left panel of the phone has the volume rocker.
The 1.9MP front camera on the smartphone is pretty neat and gives decent output.
Similar to Galaxy SII, the Micro-USB cum charging port is placed in the centre of the on the bottom panel.
The smartphone offers connectivity features like Wi-fi, Bluetooth 4.0 and NFC.
The phone combines the functionality of Wi-fi direct and NFC in the S Beam feature and allows extremely fast file transfer between two S III devices.
The device is supported by a 2100 mAh battery and a microSD card slot.
