Updated — Spreadtrum Imei Tool V41

Why should you upgrade to v41? Here are the standout features:

The tool is designed to work with standard Spreadtrum database file formats.

How does v41 compare to other popular IMEI repair solutions?

| Tool | Best For | Difficulty | Speed | UNISOC T-series | Price | |------|----------|------------|-------|----------------|-------| | Spreadtrum IMEI Tool v41 | Free, dedicated SPD/UNISOC repairs | Easy | Fast | ✅ Yes | Free | | Maui META 3G/4G | Generic MediaTek & SPD | Moderate | Medium | Limited | Free | | SN Writer (SPD) | Factory IMEI writing | Hard | Slow | No | Free | | Chinese Miracle Box (CM2) | Professional, all brands | Hard | Very fast | ✅ Yes | Paid ($100+) | | WriteIMEI Tool | Simple UI, older SPD | Easy | Fast | ❌ No | Free | spreadtrum imei tool v41 updated

Verdict: For most users, v41 is the best balance of modern compatibility, ease of use, and cost.


Even with the updated version, technicians may encounter specific errors:

Spreadtrum IMEI Tool v41 is an updated utility designed for devices using Spreadtrum/Unisoc chipsets. It provides technicians and advanced users with tools to read, write, back up, and restore IMEI and other device identifiers. The v41 release focuses on improved chipset compatibility, stability fixes, and streamlined user experience. Why should you upgrade to v41

The v4.1 update targets a wide range of low-to-mid-tier devices. Supported chipsets typically include:

Before you attempt to use the Spreadtrum IMEI Tool v41 Updated, ensure you have:

⚠️ Warning: Use a fully charged battery (at least 60%). Interruption during IMEI writing can permanently damage the NVRAM. Even with the updated version, technicians may encounter


The Spreadtrum IMEI Tool is a lightweight Windows-based utility designed specifically to read, write, backup, and restore IMEI numbers on smartphones powered by Spreadtrum (now UNISOC) chipsets. The tool communicates with the device’s NVRAM (Non-Volatile Random Access Memory) where the IMEI and radio calibration data are stored.

Version 41 represents the most updated release, bringing improved compatibility with newer UNISOC SoCs like the Tiger T606, T616, T700, and T310, while maintaining support for legacy chips like SC7731, SC9832, SC9850, and SC9863.

Key capabilities include: