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ECT SM-X406B Firmware List | SamFrew

SM-X406B ECT Firmware

Model

Region

Version

OS

Build

Changelist

Model: SM-X406B

Version: X406BXXU1BYJ3

Build: 10/9/2025

Changelist: 32144845

Model: SM-X406B

Version: X406BXXU1AYG7

Build: 7/15/2025

Changelist: 31755740