Smartphone enthusiasts are yet to get over the mêlée surrounding Apple's iPhone 5 and the grapevine is abuzz with speculations regarding rival Samsung's Galaxy S4 launch.

Rumors that the Korean tech giant Samsung will be launching the Galaxy S4, a follow-up device to its successful S3, are flying thick and fast. Korea Times suggest that the smartphone maker will unleash the Galaxy S4 at next year's mobile world congress (MWC) in Barcelona.

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However, a CNN report shared translated text from Samsung's tweet: "Please note that some media reported speculation that the Galaxy S's subsequent models will be released." Samsung went on to tweet that the alleged S4 launch in February 2013 was "a simple rumor [that] is not true."

Rumors suggest that the Galaxy S4 will sport a 5-inch screen, which is slightly bigger than the current Galaxy S3 and an inch larger than the latest iPhone 5.

Additionally, fueling the speculations is the recent Samsung announcement where the company said: "We will embrace greater technical cooperation with industry leading mobile device makers, as we continue to provide timely next-generation memory solutions like 2GB LPDDR3 DRAM, in helping to accelerate growth of the mobile memory market."

This announcement, experts opine, veers towards the production of the next-gen Galaxy S4.

Recent reports reveal that the Galaxy S3 sales have surpassed 20 million units within 100 days of its launch. With the S3 flying off the shelves like hot cakes, the device has silenced its critics.

Whether Samsung will launch the successor to its immensely popular Galaxy S3 soon will remain a mystery until the company officially declares the news. However, Samsung smartphone users will be eagerly waiting to see what enhancements Samsung will offer in the purported Galaxy S4.

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