This will not come as a huge surprise. Sony Mobile Communications has sent out invitations to a press event on the eve of Mobile World Congress. Fresh from its announcements of the Xperia Ion and Xperia S, we can expect Sony to unveil some new devices at the event.
As for what devices Sony could announce, recent leaks have given us a few options. We could see the Xperia P (LT22i Nypon), the Xperia U (ST25i Kumquat) and still unnamed ST21i (Tapioca) and MT27i (Pepper). All have recently surfaced on a leaked 2012 Sony smartphone roadmap with an April release date (except the LT21i Tapioca which has a July launch date).
Read more: Xperia Blog