Home / Firmware / SM-M556B / ZTO
Device Galaxy M55 5G
Model SM-M556B
Region ZTO
OS Android 15
Release Date 5/21/2025
Upload Date 6/2/2025
PDA M556BXXU4BYE7
CSC M556BOWO4BYE7
Changelist 31154426
Size 8021870048 bytes (approx. 7.5 GB)