The Covid-19 pandemic in the last two years has affected the field of education, especially in teaching and learning activities. The learning process that was usually conducted face-to-face at school, was changed to online learning setting. This online learning setting made students accustomed to using electronic devices such as laptops or cellphones/gadgets. This study aims to determine the effect of post-online learning gadgets usage on the learning behavior and learning outcomes of SDN 4 Tonja students in learning Hinduism subject matter. The present study utilized quantitative research method, where the data were collected using a questionnaire. The results showed that the use of gadgets in online learning setting during the Covid-19 pandemic affected student behavior and learning outcomes when they returned to face-to-face learning. Changes in student behavior after online learning is one of the social change behaviors, where it is known that the majority of students use gadgets for more than 4 hours every day. Gadget usage makes the students lazy to do physical activities, which was experienced by 23.33% of the male students, and 27.27% of the female students. The students' concentration when learning also decreased, the data shows that 46.66% male students and 63.63% female students were affected by this decrease in concentration. Changes in student behavior in the learning process have resulted in decreased student learning outcomes at SDN 4 Tonja.