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The increasing use of smartphones among school-age children has created a need for early education on responsible smartphone use, particularly when smartphones are frequently used for entertainment such as gaming and watching short videos. However, informal community settings require an educational approach that is simple, interactive, and leaves information that can be accessed after direct interaction ends. This community service activity aimed to provide school-age children with an initial understanding of the impacts of excessive smartphone use, encourage more responsible and positive smartphone use, and provide sustainable visual educational media through posters. The activity was conducted in Korong Toboh Kuranji in June 2026 and involved 15 elementary school-age children. The activity used a Training and Workshop approach implemented through informal direct education, conversations, question-and-answer sessions, and the use of Communication, Information, and Education (KIE) posters. Data were collected through observation, informal conversations, and documentation and analyzed descriptively qualitatively. The results showed that the education was successfully delivered to 15 children, who demonstrated active participation by responding to questions, sharing their smartphone-use experiences, and providing examples of positive smartphone use. One educational poster was also produced and installed at Musholla Taqwa Toboh Kuranji and SDN 13 V Koto Kampung Dalam. The contribution of this activity lies in combining informal direct education with poster-based KIE media as a reinforcement of educational messages. The activity indicates that this approach is relevant for introducing responsible smartphone use to children in informal community settings.]]>
