M-Horse S8 Firmware Flash File Download [Stock Rom]

The M-Horse S8 was a 3G smartphone from 2016 that targeted the extreme low-end of the market. It runs Android 5.1 Lollipop on a Spreadtrum SC7731 processor and is equipped with a critically low 1GB of RAM. This severe hardware limitation is the root cause of all its major functional problems. The user experience is defined by constant system-wide freezing where the phone becomes unresponsive, debilitating lag, and frequent application crashes. More severe issues, such as the phone getting stuck in a bootloop (endless restarting) or rebooting randomly, are also common symptoms of an unstable system struggling with insufficient memory. For anyone attempting to restore this device to a usable state, reinstalling the stock firmware is the only effective solution.

This guide provides the official stock ROM package for the M-Horse S8. As a Spreadtrum (UNISOC) device, it must be flashed using the SPD Upgrade Tool.

M-Horse S8 Firmware Details

Below are the key specifications for the M-Horse S8. This firmware will restore the device to its Android 5.1 Lollipop software. Note that this is a Spreadtrum device and requires the SPD Upgrade Tool.

Download Official Firmware for M-Horse S8

• Build: V02_20160801
  • File Name: M-Horse_S8_V02_20160801_SPD.zip
  • Size: 1.24GB
  • 🔗 Download Link: Download (MediaFire)

Why Flash This Specific Firmware?

A full firmware reinstallation is the only practical solution for the severe, hardware-induced problems this phone faces:

• Fix a Startup Bootloop: If your phone is stuck restarting at the M-Horse logo, flashing the V02_20160801 firmware is the definitive method to resolve it if the cause is software corruption. It completely rewrites the damaged operating system.
• End Crippling System Freezes: To combat the constant hangs and unresponsiveness caused by the 1GB of RAM, a clean installation of the Android 5.1 OS from this build clears out all software clutter and accumulated junk files, giving the system a chance to operate without freezing.
• Resolve Unstable Wireless Connections: If you are experiencing frequent Wi-Fi or Bluetooth drops, flashing the firmware will reinstall the original radio firmware and drivers included in the V02_20160801 package, which can solve persistent software-level connectivity bugs.
• Fix Camera-Related Crashes: On low-power devices, attempting to use the camera flash with a low or weak battery can cause the phone to shut down. Reinstalling the base firmware ensures the power management for the camera is at its default, correct state, though this issue can also indicate a failing battery.
• Recover an Unresponsive “Bricked” Phone: In a worst-case scenario where a software error has left the phone completely unresponsive, forcing a firmware flash using the SPD Upgrade Tool is the last available recovery method.

Crucial Prerequisites Before Flashing

Before you begin, back up any accessible data. This procedure will permanently delete everything on the phone.

• The latest version of the SPD Upgrade Tool.
• The correct Spreadtrum USB drivers installed on your PC.

How to Flash the Firmware

This firmware is in .pac format and must be installed using the SPD Upgrade Tool on a Windows computer. Here is a brief overview:

1. Download and extract the M-Horse_S8_V02_20160801_SPD.zip file to a new folder.
2. Install the required Spreadtrum USB drivers on your computer.
3. Launch the SPD Upgrade Tool (UpgradeDownload.exe).
4. Click the first “Load packet” gear icon and select the .pac file from the extracted firmware folder.
5. Click the “Start downloading” (Play) button.
6. Completely power off your M-Horse S8 and remove the battery.
7. Hold the Volume Down button on your phone and connect it to the PC via a USB cable.
8. The flashing process will begin automatically and will show a green “Passed” message when complete.

For a complete, step-by-step tutorial with screenshots, please follow our master guide:

→ How to Use the SPD Upgrade Tool to Flash Your Smartphone

Disclaimer: Flashing a Spreadtrum device is an advanced procedure that will erase all your data and carries a significant risk of permanently damaging your device if not done correctly. We are not responsible for any data loss or hardware failures. Proceed with extreme caution.