This page provides the official stock firmware for the Digma Linx A401 (LT4018PG) smartphone. This flash file is the most reliable solution for fixing software problems, such as a phone that is stuck on the Digma logo, infected with malware, or has become unresponsive. Reinstalling the stock ROM will restore your device to its original factory condition and performance.
Digma Linx A401 Firmware Details
Below are the key specifications for this official firmware package:
| Attribute | Details |
|---|---|
| 📱 Device | Digma Linx A401 (LT4018PG) |
| 🆔 Chipset | Spreadtrum SC7731 |
| 🤖 Android OS | 5.1 Lollipop |
| 🔢 Build Number | 20161130 |
| 📂 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:
- Unbrick Your Phone: Revives a device that fails to boot past the startup logo or is completely unresponsive.
- Fix System Errors: Resolves frequent application crashes and other system-wide bugs.
- Eliminate Viruses: A complete flash is the most thorough method for removing malicious software from your device.
- Restore Performance: A clean OS installation can fix issues with lag, stuttering, and general slowness.
⚠️ 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.
Download Official Firmware for Digma Linx A401
- File Name: Digma_Linx_A401_LT4018PG_20161130_SPD.zip
- Size: 457 MB
- 🔗 Download Link (Google Drive): Digma Linx A401 Firmware
How to Flash the Firmware
This firmware package is in .pac format and must be installed using the SPD Upgrade Tool. The general process involves loading the PAC file into the tool, putting the tool into download mode, and then connecting your powered-off phone while holding the Volume Down key.
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.
