Download Obi Stock ROM

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On this page, we have managed to share the Original Obi Stock ROM (Firmware) for all the available Obi smartphones and tablets.

All the following Obi Stock ROM (zip file) contains the original Obi USB Driver, Flash Tool, and the Firmware File. After Downloading the firmware, follow the instruction manual shipped with the firmware to flash or install firmware on mobile.

Obi Stock ROM

Whats Obi Stock ROM and its Advantage

The Stock ROM (Mobile OS) is the Most Stable ROM released by the device manufacturers depending on the device model and Android version. However, the Stock ROM don’t offer many customizations or features for the device.

While in general third-party firmware (Custom ROM) has system bugs and stability issues. In this case, you may experience battery issues, network issues, camera issues, missing features, lags, overheating, slow performance, and many more. But whenever you switch to Stock ROM, you can quickly fix them all.

Advantages of Obi Stock ROM

  • Unbrick the device.
  • Upgrade or downgrade Mobile OS.
  • Fix OTA update issue.
  • Fix a problem with the device startup loop.
  • Fix bugs on your phone.
  • Fix Lag or Stuttering on the device.
  • Fix battery drain issue.
  • Software performance improvement.
  • Returning a stock ROM entitles the warranty on the phone.

Download Obi Stock Firmware

Model NameDownload
Obi MV1Firmware
Obi MV2Firmware
Obi S400Firmware
Obi S401Firmware
Obi S450Firmware
Obi S451Firmware
Obi S452Firmware
Obi S452 PlusFirmware
Obi S453Firmware
Obi S454Firmware
Obi S500Firmware
Obi S501Firmware
Obi S502Firmware
Obi S503Firmware
Obi S503 PlusFirmware
Obi S506Firmware
Obi S507Firmware
Obi S520Firmware
Obi S550Firmware
Obi S551Firmware
Obi SF1Firmware
Obi SJ1.5Firmware
Obi SJ1.8Firmware
Obi SJ2.2Firmware


[*] After flashing (installing) the Obi Stock ROM on your device, you may need to flash (install) the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then flash the Original IMEI that comes with your device.

[*] Obi USB Driver: If you are looking for the original USB Driver, then head over to the Obi USB Driver page.

[*] Request Firmware: If you are looking for any specific firmware that is not listed above, you can request it through the comment box below (do not request firmware through the contact page, or else it will be ignored).

[*] Credits / Copyright: All of the above files are free provided by Obi, Inc. So full credit goes to them for sharing the firmware for free.