Samsung Galaxy alphabet will probably get another letter with the Galaxy O5 and O7. These phones are known as the SM-G550 and SM-G600 respectively. Normally, Samsung’s naming scheme will follow an alphabetical order. The flagship handsets go under S scheme while the bottom range gets J scheme. There are Es which are more affordable As, while the Zs are Tizen phones. K scheme consists of the camera phones, Vs are the entry level smartphones. There is also a W tablet from the Korean giant.
Also, there are the name based lines: the Notes, Pockets, Aces, Cores, Youngs, Stars, Grands, Xcovers etc. We can get some official news on Galaxy O5 and O7 at IFA in the coming weeks.