Why Global Telecom Testing Requires Local SIM Access in 2025?
Here’s something most operators don’t like to admit testing your global telecom performance using roaming SIMs doesn’t tell the whole story.
In fact, it might be misleading.
As we enter 2025, local SIM access isn’t just a nice-to-have—it’s a hard requirement for accurate global testing.
The Limitations of Roaming SIMs:
Roaming SIMs often suffer from:
– Network throttling or deprioritization
– Limited access to local features (like VoNR or network slicing)
– Inaccurate latency, jitter, and handover metrics
In short, they can’t replicate the true end-user experience.
Why Local SIMs Matter?
Full Access to Features: VoNR, 5G SA, emergency access all depends on native profiles.
Accurate QoS Metrics: No more guessing; you get clean data.
Compliance Testing: Many regions now require lawful interception compliance or localized performance checks.
The 2025 Shift:
With more operators enforcing region-based compliance and performance guarantees, test setups must include local SIMs. This applies across:
– IoT deployments needing uptime validation
– Regulatory audits
– Competitive benchmarking
The Procurement Problem:
Getting local SIMs isn’t easy. You need contracts with operators, local registration, and often physical logistics.
Azurreo’s Role:
We simplify it. Our SIM procurement platform offers
– Physical and eSIM access in 90+ countries
– Logistics and secure delivery of test SIMs
– Integrated SIM lifecycle management
Key Takeaway:
Testing like a local means testing with a local SIM. It’s that simple. As networks evolve and expectations rise, so too must your validation tools. Roaming isn’t enough. Go local—go accurate—go reliable.