Android Stock ROM Flash for Micromax devices with Spreadtrum Upgrade tool

Use this tutorial only for the following Micromax models: A075, A24, A26, A27, A28, A34, A35, A36, A40, A59, A61, A62, A65, A66.

Backup all important files and make sure that the device’s battery charge level is over 50%.

  1. Enable USB debugging for your device from Developer Options menu before starting installation.
    – if Developer Options isn’t shown under Settings, then you need to open ‘About Phone’ section and tap seven times on the ‘Build Number’ text in order to become a developer.
  2. Now, Download the stock Android ROM zip from the Devices Panel.
  3. Extract the contents of the Stock ROM zip and save them on your PC.
    – you should obtain a .pac firmware file.
  4. Download the Spreadtrum Upgrade tool from here.
    Extract the zip contents on your PC.
  5. Power off the Micromax device now.
  6. Launch the ‘upgradedownload.exe’ application.
  7. Next, connect your device to your PC via USB Cable.
  8. Wait for the UpgradeDownload Spreadtrum tool to detect your Micromax device, then continue to the next step.
  9. Now you can click on ‘Load Packed’ button.
  10. Find the Android Stock ROM’s .pac firmware file. Load it in UpgradeDownload application main window.
  11. Hit the ‘Start Downloading’ option after the firmware file is added.
  12. Wait until the new stock ROM is flashed successfully.
  13. After the install process is complete you will see a confirmation message shown by the Spreadtrum Upgrade tool.
  14. Restart the device in normal mode and that should be all.

These were all the steps that you had to take in order to learn how to install a stock ROM for your Micromax device.

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