It`s only been a two weeks since the official launch of Galaxy S4. Yesterday first rumors about Galaxy S4 mini that is expected to come with 4.3-inches touchscreen with qHD (540 x 960 pixels) resolution and dual-core CPU. The density of pixels for Galaxy S4 mini is 256ppi.
The design is the same as Galaxy S4 just a smaller scale. According with source, Galaxy S4 mini is expected to be available also in dual-SIM version.
Compared with Galaxy S3 mini, the screen is large with 0.3 inches and has a better resolution (S3 display has 480 x 800 pixels).
About OS, Samsung prepare for this the latest version of Android, 4.2,2 Jelly Bean.
The release date of this is expected to be sometime in June or July.