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

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

Adcom Stock ROM

Whats Adcom 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 Adcom 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 Adcom Stock Firmware

Model Name Download
Adcom 707D Firmware
Adcom 707S Firmware
Adcom 721C Firmware
Adcom 740C Firmware
Adcom 741C Firmware
Adcom A50 Firmware
Adcom A350 Firmware
Adcom A350i Firmware
Adcom A400 Firmware
Adcom A400i Firmware
Adcom A430 Firmware
Adcom A500 Firmware
Adcom A500 HD 3G Firmware
Adcom A530 Firmware
Adcom Guru X10 Firmware
Adcom X9 Firmware
Adcom X10 Firmware
Adcom X14 Firmware
Adcom X28 Firmware


[*] After flashing (installing) the Adcom 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.

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