The International Workshop on Architectures for Future Mobile Computing and Internet of Things (FMCIoT 2018) Symposium will be held in conjunction with the 7th IEEE International Conference on Selected Topics in Mobile & Wireless Networking (MoWNet'18). The FMCIoT 2018 Symposium aims at soliciting original ideas on the broad area of Mobile and IoT architectures including challenges and opportunities, concepts and applications and future trends that addresses the aforementioned challenges.