The Complete Guide to Digma Hit Q400 3G Stock Firmware

Download free stock firmware files, compare available builds, and use the matching flash guide before writing anything to the phone.

Brand Digma
Published October 13, 2022
Updated Sep 21, 2025
Read time 3 min
Links Direct cloud
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Before you flash

Match the exact model, region, and branch name. Similar model numbers are not the same device.

Need flashing steps?

Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.

The Digma Hit Q400 3G is a compact, entry-level smartphone from 2017, designed for basic functionality with its 4-inch display and Android 6.0 Marshmallow OS. Given its modest hardware, the device can become slow or develop software issues over time. For owners looking to restore the phone to its original performance, fix bugs, or unbrick the device, flashing the official stock firmware is the most effective solution.

This guide provides the official firmware package and a clear, safe path to reinstalling the software on your device.

Digma Hit Q400 3G Firmware Details

Below are the key specifications for this official firmware package:

Attribute Details
📱 Device Digma Hit Q400 3G (HT4023PG)
🆔 Chipset Spreadtrum SC7731C
🤖 Android OS 6.0 Marshmallow
🔢 Build Number 20170302
📂 File Type .PAC Firmware
💻‍💻 Flashing Tool SPD Upgrade Tool

Why Flash the Stock Firmware?

Reinstalling the official firmware is the best solution for a variety of critical software issues on the Hit Q400:

  1. Unbrick Your Phone: Revives a device that fails to boot past the Digma logo or is completely unresponsive.
  2. Restore Performance: A full flash is the best way to clear system memory and restore the phone’s original speed, especially on a device with limited RAM.
  3. Eliminate Viruses: A complete flash is the most thorough method for removing malicious software that a factory reset might miss.
  4. Fix System Errors: Resolves frequent application crashes, network issues, and other system-wide bugs.

⚠️ Important Prerequisites

Before you begin, ensure you have the necessary drivers and tools. You will need to download the SPD Upgrade Tool and install the correct Spreadtrum (Unisoc) USB drivers on your computer. A full backup of your device data is also highly recommended as this process will erase everything.

Download Official Firmware for Digma Hit Q400 3G

  • File Name: Digma_Hit_Q400_3G_HT4023PG_20170302_SPD.zip
  • Size: 576 MB
  • 🔗 Download Link (Google Drive): Digma Hit Q400 3G Firmware

How to Flash the Firmware

This device’s firmware is a .pac file and must be installed using the SPD Upgrade Tool. Here is a summary of the main steps:

  1. Download and extract the firmware package: Digma_Hit_Q400_3G_HT4023PG_20170302_SPD.zip.
  2. Install the correct Spreadtrum (Unisoc) USB drivers on your PC.
  3. Launch the SPD Upgrade Tool and load the .pac firmware file from the extracted folder.
  4. Power off your Digma Hit Q400. This model has a removable battery, so it’s best to take it out for 10 seconds to ensure a full shutdown.
  5. Connect the device to your computer while holding the Volume Down key to initiate the flash.

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

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

Disclaimer: Flashing firmware carries inherent risks. If instructions are not followed precisely, it could damage your device. We are not responsible for any data loss or damage. Proceed with caution.

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