Winmax BD30
Winmax BD30 is a Winmax firmware file listed under Winmax, distributed as Winmax_BD30_SC6531_MIRA.zip with a download size of 4 MB. It is built for the Unisoc (Spreadtrum) SC6531 chipset. It is flashed with SPD ResearchDownload (or UpgradeDownload). It was published on June 16, 2026. This page has been viewed 35 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 Winmax BD30
Looking for the official stock firmware for your Winmax BD30? You're in the right place. Below is the original Winmax flash file you need to restore your device, whether you're fixing a software issue or starting fresh. It fixes random reboots, crashing apps, a phone stuck on the splash screen, or a botched OTA update, and removes leftover bloat by returning the Winmax BD30 to factory condition. File Name: Winmax_BD30_SC6531_MIRA.zip File Size: 4 MB Back up everything important first, keep the battery above the halfway mark, use a cable you trust, and make sure the right drivers are installed. With the stock ROM back in place, the Winmax BD30 returns to factory state. If something fails, verify the file matches your model and retry.
File Details
| File name | Winmax BD30 |
|---|---|
| Package | Winmax_BD30_SC6531_MIRA.zip |
| Brand / Platform | Winmax |
| Category | Winmax |
| Chipset | Unisoc (Spreadtrum) SC6531 |
| Flash tool | SPD ResearchDownload (or UpgradeDownload) |
| Package format | ZIP archive |
| File size | 4 MB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Winmax BD30 with SPD ResearchDownload
- Confirm Winmax BD30 matches your exact device model and that the phone uses the SC6531 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (4 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 Winmax BD30 free to download?
Yes, Winmax BD30 can be downloaded free of charge from this page.
How large is the download?
The Winmax BD30 package is 4 MB.
Which tool do I need to flash Winmax BD30?
Winmax BD30 is Unisoc (Spreadtrum) SC6531 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 Winmax devices. Always confirm it matches your specific model before flashing.