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eSIM Guides and MORE COMING SOON!!

By Sergio Soares Telecommunications & Wireless Infrastructure Specialist 27 years in telecommunications Published September 11, 2026 Updated September 18, 2026 1 min read

Welcome to our growing collection of eSIM guides.

We are currently building practical, easy-to-follow guides covering eSIM setup, activation, troubleshooting, travel, mobile networks, and more.

New guides and resources are being added regularly.

More coming soon!

Sergio Soares

Telecommunications & Wireless Infrastructure Specialist · Founder of eSIM Travel Guide

Sergio has 27 years of telecommunications experience, with professional experience spanning Portugal, the United States and Canada. For the past 12 years, he has worked directly with wireless and cellular infrastructure, field operations and network diagnostics. He has travelled to more than 40 countries and tests eSIMs and mobile connectivity in real-world destinations, combining hands-on travel experience with technical network knowledge and detailed research.

Read more about Sergio →