Obi Firmwares

• MV1
• MV2
• S400
• S401
• S450
• S451
• S452
• S452 Plus
• S453
• S454
• S500
• S501
• S502
• S503
• S503 Plus
• S506
• S507
• S520
• S550
• S551
• SF1
• SJ1.5
• SJ1.8
• SJ2.2

On this page you can found the list of Obi Mobile devices for which we have collect the original Stock Firmware(ROM file) that you can download. You can use the Obi Stock Firmware(Obi Flash File) to re-install the OS on the device or fix any mobile os issues.