SEGRON and Redtea Mobile to Share Real-World eSIM Validation Insights at Joint MVNO Nation Webinar
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The Hidden Challenge of eSIM” is a free eSIM webinar from SEGRON and Redtea Mobile, exploring how eSIM providers can move beyond activation to deliver reliable, real-world connectivity — hosted by MVNO Nation on September 24, 2026.
SEGRON, a global provider of active service assurance for telecommunications providers, and Redtea Mobile, a global eSIM connectivity and IoT provider, today announced they will co-present a live webinar hosted by industry platform MVNO Nation, titled “The Hidden Challenge of eSIM.” The session takes place on September 24, 2026, from 13:00–14:30 CEST.
Global eSIM adoption is accelerating, but delivering a seamless customer experience is far more complex than simply achieving a successful activation. As eSIM providers expand across operators, devices and countries, they face growing challenges in ensuring reliable connectivity, maintaining quality at scale, and validating every stage of the customer journey. The webinar will explore these challenges through a real-world case study and an expert panel discussion, offering practical guidance for MVNOs and MNOs navigating the eSIM landscape.
The session will include:
- Technology presentation — Stephen Ornadel, Senior Business Development Consultant at SEGRON, on achieving eSIM perfection across every device, network and partner environment.
- Real-world case study — Stephen Ornadel (SEGRON) with Yuanyuan Huang and Vincent Wang (Redtea Mobile), on evolving eSIM validation strategy through real-device service verification and close technical collaboration.
- Expert panel discussion — “Maximising eSIM as an MVNO or MNO,” moderated by Stephen Ornadel (SEGRON), featuring Jason Olivieri (Verizon), Michael Nelson (Telenor Linx), Matas Čenys (Saily), and Xiaodong Guo (Redtea Mobile).
"Activation is just the beginning of the eSIM journey — the real test is whether that connectivity holds up for the customer, everywhere, every time. This webinar is a chance to talk openly about what that takes."
"Delivering eSIM at scale goes beyond successful activation. Across different devices, networks and markets, the end-to-end connectivity experience needs to perform consistently. We look forward to sharing some of the practical lessons we’ve learned from real-world validation and our collaboration with SEGRON."
The webinar is free to attend. Registration is available.
About SEGRON
SEGRON is providing the Service Assurance Platform for telecommunications providers worldwide, protecting customer experience, revenue, and brand in increasingly complex networks. Using real, unmodified smartphones, SEGRON continuously verifies how services perform from the customer’s perspective across 4G, 5G, eSIM, VoLTE, and global roaming. Our platforms enable operators to proactively detect service degradations, validate new services, accelerate launches, and monitor quality across domestic and roaming environments from one interface. Built for scale and backed by 25+ years of telecom expertise, SEGRON helps communication service providers stay ahead of customer expectations and turn service quality into a competitive advantage in every market.
About Redtea Mobile
Redtea Mobile is a global eSIM technology and connectivity provider serving mobile operators, MVNOs, OEMs and enterprises. Its solutions span Remote SIM Provisioning (RSP/SM-DP+), Entitlement Server, global connectivity, and IoT connectivity management and orchestration, helping customers deploy and manage connected services across devices, networks and markets. Founded in 2015 and a GSMA member, Redtea Mobile supports customers and partners across the evolving eSIM and connected-device ecosystem.
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Martin Strolka
A customer-focused marketing specialist with expertise in strategic campaign planning and execution across digital channels. Skilled in B2B and B2C marketing with focus on efficiency, ROI, and lead generation. Martin Strolka joined SEGRON in 2023 as Marketing Allrounder, developing comprehensive marketing strategies that drive business growth.
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