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What happens to my home phone number while traveling?
Nothing. It keeps working as it always has. Your plan is data only, with no phone number, calls, or SMS. Calls and texts keep using your home number. Your home line sits on the phone next to the KnowRoaming line, and most phones run both at once without you doing anything.
More detail
One thing to do before you fly: turn off data roaming on your home SIM, so your data goes through your plan and not through your home carrier's roaming rates. Keep the home line itself switched on, so calls, texts, and any codes sent by SMS still reach you. See Turn off data roaming on your home SIM before you fly.
Calls and texts on your home line abroad are charged by your home carrier at its roaming rate, the same as they would be without KnowRoaming. Calls over an app on the KnowRoaming line use your plan's data instead. Wi-Fi calling on your home line works where your carrier supports it; see Calls and Wi-Fi calling while using your KnowRoaming eSIM.
常见问题解答
How to use an eSIM while backpacking is surprisingly simple. First, ensure your phone is unlocked and eSIM-compatible. Then, download the provider's app (like KnowRoaming's). You can choose your plan and add the eSIM digitally through the app, often by scanning a QR code. Once added, just enable data roaming for your eSIM, and you're ready to go, no physical cards or airport kiosks needed.
No swapping SIM cards, no kiosk queues at the airport, set it up once and it's ready every time after.
With KnowRoaming, setup takes less than five minutes. Using the automatic setup in the KnowRoaming app, you can download and add your eSIM in just a few taps. This makes it one of the fastest and most reliable ways to get connected before your trip.
Simply add the eSIM profile on your unlocked, eSIM-compatible device before you travel. Once you arrive in a supported country, turn on your eSIM, and you'll be connected!
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