SigmaKey

Diagnoses mobile smartphones and upgrades them
Jul 17, 2025
Rating:
3.8 on 301 votes
Category:
System Utilities › Device Assistants
Developer:
Smart-Clip team
License:
Freeware
Total downloads:
68,398 (6 last week)
Operating system:
Windows XP/XP Professional/Vista/7/8/10/11
Latest version:
2.46.1

Description

Flashes firmware and services the mobiles phones that requires firmware repair, IMEI restoration, EFS restore/backup and much more. Supports brands of smartphones like Alcatel, Sony, Huawei, Motorola, ZTE and much more. Removes the network lock and enables SIM-free mode.

You could have downloaded SigmaKey 2.46.1 from our software library for free. Our built-in antivirus checked this download and rated it as virus free. The software lies within System Utilities, more precisely Device Assistants.

SigmaKey was developed to work on Windows XP, Windows XP Professional, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems. The most popular versions of the program 2.3, 2.2 and 2.0. The default filenames for the program's installer are SigmaKey.exe, explorer.exe or rundll32.exe etc. This free software is a product of Smart-Clip team.

From the developer:

Universal multibrand and multifunctional MTK, Qualcomm, Broadcom, Hi-Silicon and TI OMAP servicing solution, not tied to a specific model list. Supports Alcatel, Sony, Huawei, Motorola, ZTE and other popular brands on the market. Powerful flash and backup tool with huge archive of flash files (all operator customizations and language packs).

You may want to check out more software, such as EpsonNet Config, SSC Service Utility or EXPERTool, which might be related to SigmaKey.

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