The Samsung Galaxy S9 series devices will probably go on sale in March, if they get announced in February. The Galaxy S8 and Galaxy S8 Plus were unveiled at a special event in March, with sales beginning in April.
The Galaxy S9 and S9 Plus will be made out of metal and glass, sports very thin bezels, and come with Infinity display, which sports curved sides. The Galaxy S9 will ship with 4GB RAM, 64/128GB storage variants, while the Galaxy S9 Plus will come with 6GB RAM and in 64/128/256GB storage models. The smartphones will ship with Android 8.0 Oreo out of the box.