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Turn on data roaming for your plan on Samsung
Two settings get you online when you land: the KnowRoaming eSIM on and set as your Mobile data SIM, and Data roaming switched on. The app can add the plan, but only your phone's settings can switch roaming on.
Before you start
Do this after you land. At home, the plan shows no service, and that's normal. Your home SIM stays exactly as it is; calls and texts keep using it.
Steps
- Open Settings and tap Connections.
- Tap SIM manager.
- Turn on your KnowRoaming eSIM.
- Under Preferred SIMs, set Mobile data to your KnowRoaming eSIM.
- Go back to Connections and tap Mobile networks.
- Turn on Data roaming.
- Give your phone a minute. When a network name appears in your status bar, you're online.
Give your phone a minute to connect once you land. Still nothing? Switch on Airplane Mode for 30 seconds, then switch it off again.
Setting your APN
Most destinations need no APN. If yours is on this list, add it before you connect:
Destination
APN
Global, Israel, Kuwait, Morocco, Mauritius, Middle East, Qatar, Saudi Arabia, South Africa
knowroaming
Argentina, Brazil, Canada, Chile, Colombia, Costa Rica, Ecuador, Mexico
tn1
Bahamas, Caribbean
altanwifi
Australia, China, India, Indonesia, Japan, Philippines, Singapore, South Korea, Taiwan
kroly
Europe, United States
No APN needed
Enter the value in lowercase with no spaces. On Samsung: Settings > Connections > Mobile networks > Access Point Names, then select your KnowRoaming eSIM's tab. If the APN is listed, select it. If not, tap Add, enter any name you'll recognize, enter the value under APN, then tap Save and select it.
Good to know
- Your plan is data only, with no phone number, calls, or SMS. Calls and texts keep using your home number.
- Data saver holds back apps on mobile data. Turn it off in Settings > Connections > Data usage while you travel.
- 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.
- When you get home, turn data roaming off and set your data back to your regular SIM, so you don't pick up roaming charges. Your KnowRoaming plan stays on your phone, ready for your next trip.
- Settings names and screens vary a little by One UI version. Checked on One UI 8.
Still not working?
Still not working? Message us on WhatsApp at +1-888-357-7347 and include four things: your ICCID, your order number, your phone model and OS version, and what you've already tried.
Veelgestelde vragen
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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