Spreadtrum Imei Tool V41 Updated

I can give you the exact driver link or troubleshooting steps for your device. Share public link

Automatically reads and writes target parameters using the device's specific calibration files.

Includes safety toggles to read and backup existing NVRAM partitions before executing a rewrite. System Requirements

tab. Select the appropriate communication port (usually "USB") and the IMEI writing method (Calibration mode is often the most reliable). Input IMEI spreadtrum imei tool v41 updated

This backup preserves your IMEI, Wi-Fi MAC, Bluetooth address, and calibration data. Keep it safe.

What specific are you trying to repair?

: Infinix (Smart 7/8, Hot series), Tecno (Spark series, Pop series), Itel, Micromax, Lava, and Karbonn. I can give you the exact driver link

Reinstall SPD drivers or try a different USB port.

The developer of the tool, a team of engineers at Spreadtrum, was thrilled to see the positive feedback from users. They had worked tirelessly to ensure that the update met the needs of repair technicians, and it was gratifying to see their hard work paying off.

The is a specialized Windows utility designed for technicians and users needing to repair, change, or restore International Mobile Equipment Identity (IMEI) numbers on devices powered by Spreadtrum (SPD) chipsets. As of 2026, this tool remains relevant for fixing "Invalid IMEI," "Null IMEI," or "No Service" issues on older to mid-range Spreadtrum-powered smartphones and feature phones. System Requirements tab

UNISOC continues to push security updates. Android 14 devices with UNISOC T760/T820 have introduced hardened NVRAM encryption. V41 works on Android 13 and below. For future chipsets, modded versions of v41 or commercial tools like CM2 will likely be required.

Note: In almost all jurisdictions, changing a device's IMEI to mimic another device is illegal. This tool must strictly be used to restore the device’s original IMEI, which is typically printed on the box or under the battery. What’s New in the v4.1 Update?

: Extract the Spreadtrum IMEI Tool v4.1 zip file and run the executable ( ChannelServer.exe or WriteIMEI.exe ) as an Administrator. Configure Settings : Click on the Setting or gear icon.

The Spreadtrum IMEI Tool v4.1 is a dedicated Windows application engineered to repair, write, and restore the International Mobile Equipment Identity (IMEI) number on smartphones and feature phones built with UNISOC/Spreadtrum chipsets.