Telecoms.com reports roaming eSIM performance varies by wholesale setup

Source: telecoms.comAugust 12, 2026

TL;DR: Telecoms.com reported that roaming eSIM use is becoming more common among travellers, but user experience differs significantly because providers rely on different wholesale network arrangements.

Telecoms.com reported that roaming eSIMs are growing in popularity for mobile travel connectivity. The report says travellers increasingly use eSIM technology instead of physical SIM cards when they go abroad.

Telecoms.com said roaming eSIM performance can differ widely between providers because of the wholesale layer that sits behind the retail offer. In this context, the wholesale layer means the underlying agreements and network access arrangements that an eSIM seller uses to deliver service in each country.

The report said these wholesale differences are largely invisible to end users, but they affect the quality of the roaming experience. Telecoms.com did not specify performance figures, countries, operators, or pricing details in the source material provided.

Related questions

  • Why does roaming eSIM performance vary between providers?
  • What is the wholesale layer in a roaming eSIM service?
  • How do travellers experience differences between roaming eSIM offers?

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