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How do I switch to my travel eSIM for data?

After you land, set the ByeRoaming travel eSIM as the line used for cellular data, while you can keep your home SIM for calls and SMS.

iPhone

  1. Settings → Cellular (Mobile Data).
  2. Under Cellular Data, select your ByeRoaming / Travel line.
  3. Leave Default Voice Line on your home SIM if you want calls/SMS there.
  4. Open the travel line and turn on Data Roaming if prompted.

Android

  1. Settings → Network & Internet → SIMs (or Connections → SIM manager).
  2. Set the ByeRoaming eSIM as the preferred SIM for mobile data.
  3. Enable roaming for that SIM if required.

If you still have no data, see Should I turn on Data Roaming? and Why is my eSIM not working?.