Micromax Q402
Micromax Q402 is a Micromax firmware file listed under Micromax, distributed as Micromax_Q402_SW_V04_HW_V2.0_20170418_6.0_SPD.zip with a download size of 1 GB. It is built for Unisoc (Spreadtrum)-based devices and runs Android 6.0 (Marshmallow), with a firmware build date of April 18, 2017. It is flashed with SPD ResearchDownload (or UpgradeDownload). It was published on June 16, 2026. This page has been viewed 13 times. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Micromax Q402
If your Micromax Q402 has been giving you trouble, reinstalling the stock firmware is often the cleanest fix. Here you'll find the full Micromax flash package along with the details to check before you begin. Flashing the stock ROM can clear boot loops, failed updates, a frozen logo screen, or sluggish performance, replacing the system software with a known good copy. File Name: Micromax_Q402_SW_V04_HW_V2.0_20170418_6.0_SPD.zip File Size: 1 GB Back up your files, charge the Micromax Q402 past 50 percent, install the matching drivers, and only then begin. With the stock ROM back in place, the Micromax Q402 returns to factory state. If something fails, verify the file matches your model and retry.
File Details
| File name | Micromax Q402 |
|---|---|
| Package | Micromax_Q402_SW_V04_HW_V2.0_20170418_6.0_SPD.zip |
| Brand / Platform | Micromax |
| Category | Micromax |
| Platform | Unisoc (Spreadtrum) |
| Android version | Android 6.0 (Marshmallow) |
| Build date | April 18, 2017 |
| Flash tool | SPD ResearchDownload (or UpgradeDownload) |
| Package format | ZIP archive |
| File size | 1 GB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Micromax Q402 with SPD ResearchDownload
- Confirm Micromax Q402 matches your exact device model and that it is intended for Micromax hardware.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (1 GB) using the button above and extract it on a Windows PC.
- Install the SPD / Unisoc USB drivers, then open SPD ResearchDownload (or UpgradeDownload).
- In the tool, load the .pac firmware file from the extracted folder.
- Start the flash, then press Start in the tool, then connect the powered-off phone while holding Volume Down (boot key).
- Wait for the success message before disconnecting. Leave "Erase NV" unticked unless you intend to wipe IMEI and calibration data.
Guides for this firmware
- Flashing .pac Files with SPD ResearchDownload GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It is primarily used to unbrick…
- How to Use SPD ResearchDownload: Firmware Flashing GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It allows technicians and users…
Frequently asked questions
Is Micromax Q402 free to download?
Yes, Micromax Q402 can be downloaded free of charge from this page.
How large is the download?
The Micromax Q402 package is 1 GB.
Which tool do I need to flash Micromax Q402?
Micromax Q402 is Unisoc (Spreadtrum) firmware, so it is flashed with SPD ResearchDownload (or UpgradeDownload) using the .pac firmware file.
What Android version is Micromax Q402?
This firmware is Android 6.0 (Marshmallow), built on April 18, 2017.
Which devices is this firmware for?
This file is intended for Micromax devices. Always confirm it matches your specific model before flashing.