In today’s always-connected world, remote SIM management isn’t a luxury — it’s mission-critical. SunTiS’s (a Pantherun Company) SNOW, the company’s carrier-grade SIM Service Solution, gives MNOs, MVNOs, and specialized networks the power to control every SIM in the field without the need to physically connect to each of them. Delivered as part of SunTiS’s broader OSS/BSS and lifecycle ecosystem, SNOW is your all-in-one engine for SIM-OTA automation.
What SNOW Really Delivers
SNOW establishes a secure, reliable communication channel to every SIM — enabling the updates that keep networks running smoothly:
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- Remote file updates
- Application downloads and management
- Profile activation, refresh, and behavior triggers
- Targeted campaigns to selected subscriber groups
These are the same mechanisms behind modern eSIM/eUICC lifecycle management — encrypted SMS or data-channel commands that update SIM behavior without user involvement.
Better yet, SNOW works with everything: 2G to 5G+, classic SIM, eSIM, and iSIM. One platform, all generations, all form factors — perfectly unified.
Where SNOW Shines — Real Use Cases
- Steering of Roaming (SoR)
Remotely update preferred PLMNs, rotate IMSI/PLMN priorities, or push multi-IMSI rules to optimize roaming, improve QoS, and reduce cost. - Network Name & SIM File Updates
Change the SPN, refresh EF files, rebrand devices, or trigger any standard SIM file update — all executed safely over-the-air. - Rail & Mission-Critical Mobility
Purpose-built for transport operators. Rail networks (including GSM-R) and mobility providers can centrally manage SIM fleets across trains, onboard systems, and staff devices — reliably and at scale.
Why Operators Choose an OTA Platform Like SNOW
A strong OTA platform dramatically reduces logistics, eliminates physical SIM swaps, and enables rapid responses to operational or regulatory changes. MVNOs and IoT operators benefit from scalable, multi-tenant control that keeps service levels high and costs low. SNOW fits directly into SunTiS’s secure, scalable OSS/BSS stack or other such stacks — engineered for real-world operator needs.
Built on Security and Industry Standards
SNOW adheres to the SIM, 3GPP, and GSMA standards that define secure OTA operations and eUICC provisioning. Its cryptographic protections ensure every command is authenticated, encrypted, and fully traceable.
In a Nutshell
SunTiS SNOW is a proven, operator-grade SIM-OTA solution for organizations that depend on secure, remote SIM control — from roaming optimization to SPN updates to mission-critical transport services like GSM-R. With support for SIM, eSIM, and iSIM across all generations, SNOW unifies your entire SIM estate under one reliable platform. For operators managing consumer, enterprise, IoT, or mobility fleets, OTA isn’t just useful — it’s strategic. SNOW is the only right answer.
About Pantherun:
Pantherun is a cyber security innovator with a patent pending approach to data protection, that transforms security by making encryption possible in real-time, while making breach of security 10X harder compared to existing global solutions, at better performance and price.
