Dear Users,

Sigma Software v1.19.02 is out!

Very important update with minor but essential changes made to the Qualcomm module of the software.

Release Notes:

  1. Added new firmware versions for Fast Direct Unlock of the following ZTE Smartphones:

    • ZTE Blade - 1 new version
    • ZTE KIS - 2 new versions
    • A21plus - 1 new version


  • Made important improvements to the Qualcomm module.
    • It’s strongly recommended to update the software to the latest version.

    We appreciate your collaboration and are very grateful for sending us
    phones that we needed for developing purposes. If you want more
    supported phones, please get acquainted with this thread.

    Download Sigma Software v1.19.02

    Best Regards
    GSMServer team