Advan S7A Stock Firmware (ROM)

The Advan S7A is a 7-inch entry-level Android tablet, popular in regions like Indonesia. It functions as a “phablet” with dual-SIM support for voice calls and is powered by a Spreadtrum SC7731G processor. This guide provides the official stock firmware package for the Advan S7A, running Android 5.1 Lollipop.

This is a complete firmware package in the .pac file format, designed to be flashed using the SPD (Spreadtrum) Upgrade Tool. It is the definitive solution for repairing major software issues, such as a completely dead or bricked device (mati total), a tablet stuck on the Advan logo (bootloop), or other critical system errors.

Disclaimer: Flashing this firmware will completely erase all personal data from the tablet’s internal storage, including photos, contacts, and applications. Please back up your data before proceeding if you have access to your device.

Quick Device Specs

• Device: Advan S7A
• Release year: 2016
• Chipset: Spreadtrum SC7731G
• Display: 7.0″ TN, 600 x 1024 pixels
• RAM/Storage: 512MB/4GB
• Battery: 2500 mAh
• Original OS: Android 5.1 (Lollipop)

Required Downloads

To flash this .pac firmware, you will need the SPD Upgrade Tool and the specific Spreadtrum SCI USB drivers. You can find secure download links for these tools in our comprehensive guide, which is linked in the how-to section below.

• The firmware package from the table below
• SPD Upgrade Tool (or ResearchDownload Tool)
• Spreadtrum SCI USB Drivers

Official Stock Firmware (ROM)

How to Flash Stock Firmware

To restore the software on your Advan S7A, you must use the SPD Upgrade Tool on a Windows PC. First, ensure you have correctly installed the Spreadtrum SCI USB drivers. Launch the SPD Upgrade Tool, click the gear icon labeled “Load Packet,” and select the .pac firmware file. Next, click the play icon labeled “Start Downloading.” Power off your tablet completely. Finally, press and hold the Volume Down button while connecting the tablet to your PC with a USB cable to begin the flashing process.

For a complete, step-by-step walkthrough, driver downloads, and troubleshooting, please refer to our detailed pillar guide: How to Flash Firmware with SPD Upgrade Tool.

Device-Specific Troubleshooting for Advan S7A

• Tool is Stuck on “Checking Baudrate”: This is the most common problem when flashing Spreadtrum devices. It almost always means there is a driver issue. Uninstall any other mobile drivers, restart your PC, and reinstall the correct Spreadtrum SCI drivers. Also, try a different USB port and cable.
• “Failed: Uart send error”: This error also points to a communication problem between the PC and the tablet. Ensure the drivers are correct and that you are pressing the Volume Down button firmly when connecting the device.
• Managing Extremely Low Storage: The Advan S7A has very limited internal storage (4GB). A full flash is the best way to clear out hidden cache and system junk to maximize available space. Even after flashing, you will need to be very selective about the apps you install.
• Correct Boot Key: To enter flash mode, you must press and hold the Volume Down button. If that doesn’t work, try Volume Up. The key must be held down when you plug the USB cable into the powered-off tablet.

FAQs

Q1. My Advan S7A is totally dead (mati total). Will this fix it?

Yes. If the cause of the dead device is corrupted software (a “hard brick”), then flashing this official .pac firmware is the standard procedure to unbrick it and restore it to working condition.

Q2. What is a .pac file?

A .pac file is a single, compressed firmware package used for devices with Spreadtrum (UNISOC) chipsets. It contains the bootloader, system, recovery, and all other necessary partitions needed to fully restore the device’s software.

Q3. The flash tool doesn’t detect my tablet. What’s wrong?

This is a driver issue 99% of the time. Ensure the Spreadtrum drivers are installed correctly. Open the Windows Device Manager before connecting your tablet; when you connect it while holding Volume Down, a “Spreadtrum” or “SCI” device should appear briefly.

Q4. Will this process remove the Google Account (FRP) lock?

No. Flashing the stock firmware will restore the original operating system, but it does not bypass Factory Reset Protection (FRP). You will still need to enter the credentials of the last Google account that was synced to the tablet.