Many reports related to Samsung's next-generation smartphone under the branded Galaxy series have been doing rounds for a long time. Most of the reports are based on rumors, however, whenever anything related to the highly awaited phone is spotted on company's corridors, people always believed on the information.

Recent report from Sam Mobile suggests that Samsung Galaxy S4 may come in different versions.

According to the report, Samsung started to list Galaxy S4 to its support files.

"Samsung's new high-end model the GT-I9500X showed up through this list. We couldn't download anything but at this point Samsung gave us all a free hint about a new upcoming high-end device," the report said.

Earlier reports based on developers' view indicated towards the device coming with model number GT-I9500. If we go by the report's analysis, there are enough hints that in GT-I9500X 'X' is going to be replaced by different numbers or alphabets as the South Korean company will roll out more one model of Galaxy S4.

Many reports put the operating system (OS) of the device also in question. Android 5 Key Lime Pie and Tizen are being touted as the programs on which Galaxy S4 will be running.

As the International CES is all set to kick off, many people expect Samsung to make some surprise announcements about the next smartphone.  According to an earlier report from a Korean Web site MT, Samsung will be showing prototype the so called Galaxy S4 at the CES, however, the handset will be shown only to the business partners of the company.

Apparently, the Vice Chairman of Samsung Electronics, Jay Lee, will be holding a series of meeting with company's business partners, and showing the performance of the latest device of the South Korean tech giant.

Sam Mobile had also posted a leaked press shot of the phone. According to the picture, Samsung will do away with the physical button in the Galaxy S4. The display size of the phone will increased to 5-inch, at the same time the size of the phone is supposed to be thinner.