It seems very likely for the operating system to be Android 4.2.1 Jelly Bean, although I'm hoping for 5.0 Key Lime Pie. Maybe the most important fact is that the phone will feature a Qualcomm processor, which has caused a certain amount of interest on the web.
We are getting closer to the release date of the new Galaxy smartphone, rumored to happen in April, this year. The date is also supported by TechRadar and Gizmorati, so all we can do is wait for the big day.
I also expect to see a new design from Samsung. The leaked specs have already given some overall idea of what to expect, but of course nothing is confirmed yet.
Sources have suggested that the new Galaxy SIV would come with the amazing Samsung S Pen stylus - a must-feature with the Galaxy Note smartphones. The latest news from a Korean online trusted publication is that the company has decided in the last moment that the Galaxy S4 will not now feature the S Pen stylus, but this remains unclear.
Other news from the same source mentions that its home button will not be present on this version, although it seems that Samsung has decided to keep the home button, according to another leaked draft. The report also mentions that the production will begin in March, this year, with a release no later than April.
What I know for sure is that we will have an 8 core smartphone coming from the Korean firm, as it was announced at CES 2013, which will be complete with 4 big cores and 4 smaller cores, as part of ARM's complex and powerful architecture.
The support for the 8-core SIV version is one of the best to run the Android 4.2.1. and will sport a 1.8GHz Octa processor.
The April launch event is expected by at least 600,000 new Samsung customers, eager to buy the new smartphone.