Micromax Q381 Plus
Micromax Q381 Plus is a Micromax firmware file listed under Micromax, distributed as Micromax_Q381_Plus_SW_V002_HW_V2.0_21062016_SPD.zip with a download size of 950 MB. It is built for Unisoc (Spreadtrum)-based devices, with a firmware build date of June 21, 2016. It is flashed with SPD ResearchDownload (or UpgradeDownload). It was published on June 16, 2026. This page has been viewed 17 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 Q381 Plus
Looking for the official stock firmware for your Micromax Q381 Plus? You're in the right place. Below is the original Micromax flash file you need to restore your device, whether you're fixing a software issue or starting fresh. Whether an update corrupted the system or a root attempt went wrong, the factory ROM puts the Micromax Q381 Plus back to square one. File Name: Micromax_Q381_Plus_SW_V002_HW_V2.0_21062016_SPD.zip File Size: 950 MB Before flashing, back up your data (the process wipes the device), charge above 50 percent, and install the correct USB drivers on your computer. With the stock ROM back in place, the Micromax Q381 Plus returns to factory state. If something fails, verify the file matches your model and retry.
File Details
| File name | Micromax Q381 Plus |
|---|---|
| Package | Micromax_Q381_Plus_SW_V002_HW_V2.0_21062016_SPD.zip |
| Brand / Platform | Micromax |
| Category | Micromax |
| Platform | Unisoc (Spreadtrum) |
| Build date | June 21, 2016 |
| Flash tool | SPD ResearchDownload (or UpgradeDownload) |
| Package format | ZIP archive |
| File size | 950 MB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Micromax Q381 Plus with SPD ResearchDownload
- Confirm Micromax Q381 Plus 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 (950 MB) 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 Q381 Plus free to download?
Yes, Micromax Q381 Plus can be downloaded free of charge from this page.
How large is the download?
The Micromax Q381 Plus package is 950 MB.
Which tool do I need to flash Micromax Q381 Plus?
Micromax Q381 Plus is Unisoc (Spreadtrum) firmware, so it is flashed with SPD ResearchDownload (or UpgradeDownload) using the .pac firmware file.
Which devices is this firmware for?
This file is intended for Micromax devices. Always confirm it matches your specific model before flashing.