Advan S3A Stock Firmware ROM (Official MT6572 Flash File) WG3512 (20141003) Android 4.2.2

About Advan S3A Stock Firmware ROM

Advan S3A Stock Firmware ROM is the official factory operating system package provided in scatter format for the Advan S3A smartphone powered by the MediaTek MT6572 chipset. This all-in-one archive includes the official scatter file (MT6572_Android_scatter.txt), full partition image files (boot.img, recovery.img, system.img, logo.bin), USB CDC/VCOM drivers, and the dedicated SP Flash Tool utility.

Key Issues Resolved by Flashing

• Fix device stuck on boot logo (bootloop), continuous restarting, and failure to boot into Android.
• Unbrick soft-bricked devices caused by interrupted firmware updates, improper root attempts, or corrupted modifications.
• Permanently eliminate stubborn malware, bloatware, and intrusive popup ads embedded in system partitions.
• Resolve persistent force-close errors, slow system response, and OS freezes.
• Restore the smartphone completely back to pristine out-of-the-box factory configuration.

Firmware Specifications

• Target Device: Advan S3A
• Chipset: MediaTek MT6572
• Flashing Utility: SP Flash Tool (included in package)
• Supported Host OS: Windows 11 / 10 / 8.1 / 8 / 7 / XP (32-bit & 64-bit)
• Package Contents: Scatter Firmware ROM, MediaTek USB Drivers, SP Flash Tool

Step-by-Step Flashing Instructions

1. Download the firmware package and extract it to a clean directory on your PC using WinRAR or 7-Zip.
2. Open the Driver folder and install the MediaTek USB VCOM / CDC drivers.
3. Open the SP Flash Tool directory, right-click flash_tool.exe, and select Run as administrator.
4. Under the Download tab, click Choose next to Scatter-loading File and load MT6572_Android_scatter.txt from the Firmware folder.
5. Select Download Only mode (or Firmware Upgrade for a clean overwrite).
6. Click the Download button in SP Flash Tool.
7. Power off your Advan S3A completely, hold the Volume Down key, and connect the phone to your computer via USB cable.
8. Once the flashing progress bar begins moving, release the volume button.
9. Wait until the tool displays a green circle with Download Ok. Disconnect the USB cable and power on your phone.