Turn off data roaming on your home SIM before you fly

Turn off data roaming on your home SIM before you fly, so it can't run up charges in the background while the KnowRoaming line carries your data. Your home number keeps working for calls and texts.

Before you start

Where your SIM list is, by phone. iPhone: Settings > Cellular. Samsung: Settings > Connections > SIM manager. Other Android phones: Settings > Network & internet > SIMs.

Steps

  1. Open your SIM list, at the path above for your phone.
  2. Tap your home carrier's line, not the KnowRoaming line.
  3. Turn off Data Roaming for that line only.
  4. When you land, switch data to the KnowRoaming line and turn on its roaming (taps in Good to know).

Good to know

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