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Samsung Galaxy M55 5G (SM-M556B) Android 16 Firmware (M556BXXS5CZB4) – ZTO | SamFrew

Home / Firmware / SM-M556B / ZTO

Firmware M556BXXS5CZB4

Device Galaxy M55 5G

Model SM-M556B

Region ZTO

OS Android 16

Release Date 2/14/2026

Upload Date 3/9/2026

PDA M556BXXS5CZB4

CSC M556BOWO5CZB1

Changelist 32144845

Size 8384482400 bytes (approx. 7.8 GB)