The conference program committee has received several inquiries about moving the submission deadline for the “4th International Conference on Smart Cities and Internet of Things (SCIoT2020)” conference. The deadline has been moved a few weeks forward to the 9th of June. SCIOT2020 accepts papers in both English and Persian languages. All accepted papers will be indexed by IEEE and ISC. A set of topics of interest would be: • IoT Networks and Communication • Cloud/Fog/Edge Computing for IoT and Smart Cities • Security and Privacy for Smart IoT • Applications of IoT in Smart Cities • Big Data Analysis and Intelligence • Applications of IoT in Power System • Social Networks and Smart Cities The conference poster is attached to this email. Extended Submission Deadline: June 9, 2020 Conference Web Site: SCIOT2020.um.ac.ir @ut_cyber