Masstel M421 Stock Firmware ROM (Official Flash File)

Masstel M421 Stock Firmware ROM (Official Flash File) - Version History

Complete release archive of all past and current versions of Masstel M421 Stock Firmware ROM (Official Flash File) (Firmware)

Version History (1)

Firmware
Masstel_M421_MT6572_150203 Current
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Release Date: 02/11/2026 File Size: 351.24 MB