How to Flash S2-AUE2 Firmware 1 June 2021 Security patch to Samsung Galaxy A52 SM-A525F using ODIN. Android 11 official ROM Build number: AUE2, Baseband A525FXXS2AUE2, Android Security Patch Level 1 June 2021. Use it at your own risk! Follow the instructions carefully and Make sure to backup all your important data!