Obi S400 Stock Firmware ROM (Official Flash File) - Version History
Complete release archive of all past and current versions of Obi S400 Stock Firmware ROM (Official Flash File) (Firmware)
Version History (1)
Firmware
Obi_S400_4.2.2_MT6572_2nd_Update
Current
Download
Release Date: 02/11/2026
File Size: 410.44 MB