It's not the mystery that Qualcomm is currently developing Snapdragon 845 processor, and works are going according to plan. New Qualcomm's processor should be ready for February in 2018, and we received an information that Samsung's new flagship phones, Galaxy S9 and Galaxy S9+ will be the first phones on market with Qualcomm Snapdragon 845.
Similar situation took place when Samsung presented Galaxy S8 - at that time Snapdragon 835 debuted in the same moment as Galaxy S8 and its upgraded version named Galaxy S8+. Samsung decided to buy almost all available units of Snapdragon 845 chipsets for future, so that confirms big plans of company for their new flagship smartphone. It's highly possible, that Samsung will present Galaxy S9 on MWC in February.