SAMSUNG Galaxy A3 (2016) A310F Hard Reset (formatage) - YouTube
Samsung A3 2016 - How to Hard Reset - YouTube
How to Easily Master Format SAMSUNG GALAXY A3 (SM-A300F / SM-A300FU / SM-A300G / SM-A300HQ / SM-A300M / SM-A300YZ) with Safety Hard Reset? - Hard Reset & Factory Default Community
HardReset.info: Hard Reset SAMSUNG A310F Galaxy A3 (2016) - YouTube