By Keerthi Chandrashekar / ( | First Posted: Dec 25, 2012 07:00 PM EST

(Photo : Samsung)

While 2012 is still winding down, many of us tech junkies can't help but look forward to what 2013 will bring. Samsung is slated to make some splashes next year, and it looks like the electronics manufacturer may have already started testing its next flagship smartphone, the Galaxy S4, according to a new report. 

Reliable website SamMobile seems to have received an early tip off from an unnamed source that Samsung is testing new handsets with the model numbers GT-I9500 and GT-I9505. The latter is believed to be the LTE version.

Samsung devices GT-I9500 and GT-I9505 are believed to be the company's flagship Tizen smartphone or Android handset. Tizen is an operating system based off Linux, but there's also a chance that Samsung chose to skip product code GT-I9400 (the Galaxy S3 was GT-I9300) since the number 4 is bad luck in Korea. Samsung has apparently never used the number 4 as a product code, so there's a chance that GT-I9500 and GT-I9505 are actually Galaxy S4 variants. 

While no specifications or benchmark results were given, reports containing the Galaxy S4's specs have already been making rounds on the Internet. The smartphone is expected to have a 5-inch 1080p display, a 13-megapixel camera, and the latest version of Android. There's even talk of utilizing two quad-core processors so that the handset has a total of eight cores. Many thought Samsung might reveal the Galaxy S4 at CES 2013 or MWC 2013, but it's looking more and more likely that Samsung will be holding its own separate launch event for a pre-summer 2013 release. 

What do you think - are models GT-I9500 and GT-I9505 the next Galaxy S smartphone? Or does Samsung have something else brewing in its factories?

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