While the Samsung’s S3 phone — in Galaxy lineup — is hot on the heels in some regions, now what it seems like the company is already speeding up its work on the next-gen handset in the series, so dubbed Galaxy S4.

The new Samsung Galaxy S4 Android smartphone is rumored — courtesy of The Korea Times — to be unveiled at upcoming Mobile World Congress (MWC) show in early 2013.

No details regarding features and specs were revealed other than a massive 5-inch display and employ Samsung’s quad-core Exynos processor with LTE support, as well as a rectangle shaped design with rounded corners concept.

Different but a related report recently has claimed that Samsung is also preparing a 13MP illuminated sensor, which they are calling S5K33L2. And it designed to be used in company’s 2013 devices.

Again, given the fact, we assure you to report rumors over the next few months continuously.  Stay tuned with us for conflicting reports, fakes, leaks, and mockups.