The Galaxy S4 supports HSPA 42 Mbps and 4G LTE. Its connectivity options include WiFi 802.11 a/b/g/n/ac (HT80), GPS / GLONASS, NFC, Bluetooth 4.0 (LE), IR LED (Remote Control), MHL 2.0.
The Galaxy S4 also boasts a 'Dual Camera' function that allows simultaneous use of both front and rear cameras. When capturing moments, users can choose from a variety of frame effects which blend the two pictures naturally and also adjust the size of the small picture inside the big one.
'Samsung Adapt Display' adjusts brightness, contrast and saturation automatically according to the environment. It provides an optimal viewing experience.
In the last two years, Samsung has emerged as Apple's main competitor in the high-end smartphone market.
Samsung has announced the fourth generation the next-generation Galaxy S4 smartphone. The phone has a large screen size and battery. It weighs 130g and is 7.9 mm thick. It is slimmer than it predecessor.
The Galaxy S4 has a 5-inch Full HD Super AMOLED display with a resolution of 1920 x 1080 pixels at 441 ppi.
The S 4's screen is 56 percent larger than the iPhone's. The phone will be powered by a 1.9 GHz Quad-Core Processor or a 1.6 GHz Octa-Core processor. The selection of the processor will be differed by markets.
It has a 2 megapixel front camera with Full HD recording @30fps with zero shutter lag.
Running Android 4.2.2 OS, the Galaxy S4 has a 13 megapixel auto focus camera with flash and zero shutter lag.
The phone will come in three variants - 16GB, 32GB and 64GB; it allows you to expand the memory up to 64GB via a microSD card.
The Galaxy S4 has 2GB RAM. It is powered by a 2600 mAh battery. The S 4 has a battery that's 20 per cent larger than that of the S III.
The Galaxy S4, which crams a 5-inch screen into body slightly smaller than the S III's, will go on sale globally in the April to June period. In the US, it will be sold by all four national carriers - Verizon Wireless, AT&T, Sprint Nextel and T-Mobile USA - as well as by smaller ones US Cellular and Cricket.