If your phone Micromax D321 firmware has corrupted or the set is completely dead, and you are looking for Stock ROM, you have visited the right place like here. From this page, you can download the latest and updated firmware of Micromax Bolt D321 absolutely free. You can use it for hard flashing your phone. After successful flash with this firmware, your phone will be restored to its original settings. So you will need to follow some points very carefully.
- First of all download firmware from provided links
- Put it in one specific folder
- Take a backup of your data
- Install USB driver
- Connect your phone with PC