Sigma Software v1.18.07 is out!


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With this version of Sigma the number of unlockable firmwares for ZTE mobile devices was increased and made some improvements to the main software.

Release Notes

1. Added 19 new firmware versions supported for Direct Unlock / Repair IMEI for the following ZTE devices:

  • Phones:
    • E850, Z431, F952
  • Smartphones:
    • A21plus, Blade 2, Blade 3, V880

Some of the added unlockable firmwares are exclusively supported with Sigma software!

2. Introduced minor improvements to the MTK module.

Download Sigma Software v1.18.07