Download Otto Stock ROM

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On this page, we have managed to share the Otto Stock ROM Firmware (Flash File) for all Otto smartphones and tablets.

All the following Otto Stock ROM (zip file) contains the original Otto 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.

Otto Stock ROM Firmware

Whats Otto 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 Otto 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 Otto Stock Firmware

Model Name Download
Otto 8X Firmware
Otto A8 Plus Firmware
Otto A9 Firmware
Otto F3 Pro Firmware
Otto F3S Firmware
Otto F5 Firmware
Otto F7 Firmware
Otto F9 Firmware
Otto G6 Firmware
Otto J7 Firmware
Otto J7 Duo Firmware
Otto Mark II Firmware
Otto Mate 7 Plus Firmware
Otto Note 8 Firmware
Otto P20 Firmware
Otto P20 Pro Firmware
Otto R11S Firmware
Otto R15 Pro Firmware
Otto S9 Firmware
Otto S9 Plus Firmware
Otto U2 Firmware
Otto V7 Plus Firmware
Otto V9 Firmware
Otto V9 Plus Firmware
Otto XS Max Firmware
Otto Y69 Firmware


[*] After flashing (installing) the Otto 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.

[*] Otto USB Driver: If you are looking for the original USB Driver, then head over to the Otto 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 Otto, Inc. So full credit goes to them for sharing the firmware for free.