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In-flight Wi-Fi vs. your eSIM
They're unrelated. Your plan connects to networks on the ground, which can't be reached at cruising height, so it doesn't work mid-flight whichever plan you have. In-flight Wi-Fi, if the airline offers it, runs over satellite. It's a separate service you buy from the airline.
More detail
The useful overlap is on the ground. If you added your plan before flying, leave data roaming off for the KnowRoaming line until you land. Nothing starts until it connects. Once you've landed and the phone is out of Airplane Mode, turn roaming on for the KnowRoaming line and give it a minute. Your plan begins; the taps are in your platform guide.
On the airline's Wi-Fi anyway? That's a fine moment to buy or add a plan for where you're heading, so it's ready when the wheels are down. See Buying while already abroad. Your plan starts when you connect in a supported country, not when you buy. Your validity days count from that first connection. Unused data expires at the end of your validity period. It doesn't roll over.
Frequently Asked Questions
KnowRoaming partners with top-tier local networks to provide strong connectivity in urban areas and travel hubs. While rural performance can vary depending on the country, travelers typically enjoy excellent service in major cities and popular destinations.
Be advised that after activation, both eSIMs and regular SIM cards are capable of functioning even when not connected to the internet. This implies that both types of SIM cards can be used with your device for making calls, sending texts, and other activities that do not require an internet connection.
Yes. KnowRoaming covers 200+ destinations, and a single Global eSIM connects in 144 of them, so you can cross borders without switching or changing SIMs. Regional plans for Europe, Asia, Africa, the Caribbean, LATAM, and more work the same way.
Yes, KnowRoaming offers eSIM plans that work across multiple countries, so you can stay connected without buying a new SIM card in each destination. Whether your family is visiting three countries in Europe or hopping between islands, one KnowRoaming eSIM can keep you online for maps, translations, and entertainment in over 200 destinations.
Have questions about coverage, installing, or a plan you've already bought? Whatever it is, message us and a few quick questions will get you to the right person. Email works too, if you'd rather.
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