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

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

Comio Stock ROM Firmware

Whats Comio 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 Comio 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 Comio Stock Firmware

Model Name Download
Comio A1B Firmware
Comio A2 Firmware
Comio A4 Firmware
Comio A4G Firmware
Comio A5 Plus Firmware
Comio A5C Firmware
Comio A5D Firmware
Comio A6 Firmware
Comio A6 Plus Firmware
Comio A6G Firmware
Comio A7 Firmware
Comio C1 Firmware
Comio C1 Pro Firmware
Comio C2 Firmware
Comio C2 Lite Firmware
Comio C3 Firmware
Comio M3 Firmware
Comio P1 Firmware
Comio P320G Firmware
Comio P320Q Firmware
Comio P321G Firmware
Comio P321Q Firmware
Comio P350 Plus Firmware
Comio P350C Firmware
Comio S1 Firmware
Comio S1 Lite Firmware
Comio V9 Firmware
Comio V9 Plus Firmware
Comio X1 Firmware
Comio X1 Note Firmware


[*] After flashing (installing) the Comio 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.

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