This study investigates the impact of mobile social networking applications in the organisation of protest movements by examining how protesters documented their participation during the 2020 #EndSARS protests as well as evaluating the themes that emerged from online activists’ tweets during the 2022 #EndSARSMemorial2 protests in Nigeria. Data for this study was obtained from a survey conducted in 2020 during the protests in Lagos and Port Harcourt, Nigeria (N = 391), and a qualitative content analysis of tweets and replies (N = 67,691) from the 2022 #EndSARSMemorial2 protest in Nigeria. Results show that there is a substantial relationship between how protesters document their participation and their day of joining the protest. Findings also demonstrate that protesters used social media platforms accessed via mobile phones to display their anger and anguish, imprecate the authorities, and rouse solidarity contagion, which ignited a memorial march for fallen activists in Nigeria. Finally, data illustrate that activists in Nigeria use these successive memorial protests to sustain the #EndSARS protest movements and their demands.