Sigma Plus 6 Month Activations


This activation allows you to extend the term of use of the Sigma Plus product for 12 months. After the paid time has expired, you need to extend the time with a new activation.

You can use this activation for:

  • Sigma Plus
  • sigma-plus

The activation is valid for 6 months from the date of activation.

You can activate the next 6-month activation (extension of access to Sigma Plus), if your current access time is less than 12 months (365 days). An overdue activation period can be extended at any time.

After activation, you will get access to service for more than 14,000 phone models, as well as more than 50 service features for them. A detailed list of supported phones and service options is available on this page.

How to Activate Sigma Plus

  1. Click on the SigmaKey tab.
  2. Enter the received code into the Activation Code field.
  3. Click on the Activate button.

Package Content

  • Activation Code for Sigma Plus

When we confirm your payment and process your order, we will send your activation code and detailed instructions to your email.

DO NOT EXPECT ANY CARD SHIPPED to you. The plastic card on the picture is only for design purposes.

Your activation code is valid for 3 years from the date when you bought it from GsmServer store or Sigma authorized dealer. If you don`t use it, it will become invalid after 3 years.

* Developer provides support only for those phones which are on the list of supported. Not all servicing features can be applied to some supported models, due to difference of hardware / software versions.


Delivery time: 0-1 Instant

Service type: Server

Submit to verify allowed: No

Cancellation allowed: No

Order processing: API