Zumm A309W
Zumm A309W is a Zumm firmware file listed under Zumm, distributed as Zumm_A309W_MT6572_21032016.ZIP with a download size of 380 MB. It is built for the MediaTek MT6572 chipset, with a firmware build date of March 21, 2016. It is flashed with SP Flash Tool. It was published on June 16, 2026. This page has been viewed 155 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 Zumm A309W
If your Zumm A309W has been giving you trouble, reinstalling the stock firmware is often the cleanest fix. Here you'll find the full Zumm flash package along with the details to check before you begin. 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 Zumm A309W to factory condition. File Name: Zumm_A309W_MT6572_21032016.ZIP File Size: 380 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. When it finishes, the Zumm A309W restarts with clean factory software. Match the firmware to your variant and follow each step in order.
File Details
| File name | Zumm A309W |
|---|---|
| Package | Zumm_A309W_MT6572_21032016.ZIP |
| Brand / Platform | Zumm |
| Category | Zumm |
| Chipset | MediaTek MT6572 |
| Build date | March 21, 2016 |
| Flash tool | SP Flash Tool |
| Package format | ZIP archive |
| File size | 380 MB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Zumm A309W with SP Flash Tool
- Confirm Zumm A309W matches your exact device model and that the phone uses the MT6572 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (380 MB) using the button above and extract it on a Windows PC.
- Install the MediaTek VCOM / USB drivers, then open SP Flash Tool.
- In the tool, load the scatter file (MTxxxx_Android_scatter.txt) from the extracted folder.
- Start the flash, then power the phone off, then connect it (hold Volume Up or Down if it is not detected).
- Wait for the success message before disconnecting. Use "Download Only" — "Format All + Download" erases IMEI/NVRAM calibration.
Guides for this firmware
- MT6572 Firmware: Flashing Tools and Safety GuideThe MT6572 is a MediaTek chipset used in a wide variety of Android smartphones and tablets. To reflash or unbrick a device using this chipset, you will need the specific firmware for your model and…
- SP Flash Tool: Download Only vs Format All + DownloadSP Flash Tool is a utility used to flash firmware onto devices powered by MediaTek chipsets. When using this tool, you must choose between different download modes; "Download Only" is the recommended…
- Installing MediaTek VCOM Drivers for SP Flash ToolTo flash firmware on a MediaTek-based device, you must use the SP Flash Tool in conjunction with MediaTek VCOM USB drivers. These drivers allow your computer to communicate with the device's chipset…
Frequently asked questions
Is Zumm A309W free to download?
Yes, Zumm A309W can be downloaded free of charge from this page.
How large is the download?
The Zumm A309W package is 380 MB.
Which tool do I need to flash Zumm A309W?
Zumm A309W is MediaTek MT6572 firmware, so it is flashed with SP Flash Tool using the scatter file (MTxxxx_Android_scatter.txt).
Which devices is this firmware for?
This file is intended for Zumm devices. Always confirm it matches your specific model before flashing.