Operating System products

To guarantee security, reliability and performance to its customers, OASIS Smart SIM has developed since 2012 its own operating system named Helios.

  • Can be installed on a physical card, on an embedded module or directly in a protected area of the product.
  • Modular & implementable on heterogeneous Hardware and Software environments
  • Field-proven 4G and 5G GSMA-compliant products

Global Platform / GSMA certified Operating System designed to support the GSMA SGP11-23 specifications for M2Mand Consumer devices 

The world’s first Cloud eSIM, a technology already endorsed by Micron, Inc. and Tata Communications 

Operating System fully compatible with international and industry standards such ISO, 3GPP and ETSI

Remote SIM Provisioning

A field-proven Subscription Management Suite developed in-house by Oasis Smart Sim’s team

  • Deployed in a state-of-the-art secure Data Center in the Paris region
  • Accredited with GSMA SAS-SM certification for SM-DP/SM-SR (M2M) and DP+ (Consumer) Services
  • Widely deployed into the IoT Space with first-class customers

Accredited with GSMA SAS-SM certification for SM-DP/SM-SR (M2M) Services

Accredited with GSMA SAS-SM certification for for DP+ Services

A GSMA-SAS accredited service enabling our partners to develop and deliver personalized eSIM and iSIM products.


Oasis has strong applets development expertise and can offer a range of applets “off-the-shelf”, as well as customized solution for partners. Benefit from years of Oasis R&D experience as well as the best testing environment and tool in this domain.

  • A catalog of SIM applets developped in-house
  • Possibility for partners to outsource the development and maintenance of their smart card application to Oasis
  • A field-proven R&D know-how in applet development and implementation

Oasis provides the following applets:

✓ Diagnostic Applet

✓IMEI Tracking

✓Device Interoperability

Oasis Multi-IMSI applet manages one or more IMSIs provisioned in the card. Oasis can also create customer specific multi-IMSI application.

IoT SAFE (SIM Applet For Secure End-2-End Communication) provides a common mechanism to secure IoT data communications using the SIM, rather than using potentially less trusted hardware secure elements implemented elsewhere within the device.

Curious how Oasis products could help you with your next project?

We invite you to arrange a call with one of our experts to talk about any of our products or solutions.