Sigma Software v1.20.03 is out!


Visit Sigma product page

Release Notes:

MTK Platform Updates

1. Direct Unlock and Read Unlock Codes support for the following Android smartphones based on Mediatek MT6516 CPU:


  • OT-890
  • OT-890D
  • OT-891
  • OT-891D
  • TCL A890 / OT-A890
  • TCL A890 2SIM / OT-A890D


  • V821 / MTN Rave

Unlock of other models based on the current CPU is in a test mode, so you are welcome to try running Get Codes operation and post your results.

Here are the ways to connect these smartphones in order to unlock them:

  • via SigmaBox with "Mot EX" cable (included in the package)
  • via any Com-Port emulator
  • using original cable from GsmServer
  • Detailed manual is here, so take a quick look at it before you start.

2. The following MTK-based devices added to the list of supported for servicing operations:


  • Blu t160
  • Blu Deco
  • Huawei G5726
  • Huawei G3620
  • MyPhone Q88
  • MyPhone Tw1

Android smartphones:

  • BLU Dash D120a
  • ThL W5

QUALCOMM Platform Updates

1. Added Direct Unlock support for:

  • ZTE F555 - First in the World!
  • Huawei Ascend Honor Pro G600 / U8950
  • SkypePhone AMOI WP-S1

2. New firmware version added for Motorola Fast direct unlock:

  • MB855: M6600A-SCAUTSZ-1.5.6534T
  • XT311: M76XX-TSNCJOLYM-60501011
  • XT320: 6XXU-USMEKOLYM-109806-8827

Want unlock support for more smartphones? Welcome to this thread!

Download Sigma Software v1.20.03