Diagnoses mobile smartphones and upgrades them

3.7 on 124 votes

0/5 stars
License: Freeware
Total downloads:26,138 (101 last week)
Operating system:Windows XP/Vista/7/8/10
Latest version:
Screenshot collage for SigmaKey


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 can download SigmaKey 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 Vista, Windows 7, Windows 8 or Windows 10 and can function on 32-bit systems. The most popular versions of the program 2.3, 2.2 and 2.0. The file size of the latest installation package available is 67.2 MB. 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, Net4Switch or SSC Service Utility, which might be related to SigmaKey.


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