How to Use Dual SIM on Your iPhone for Global Travel

Are you tired of carrying multiple phones or switching SIM cards every time you travel abroad? With Dual SIM on your iPhone, you can have two cellular plans on a single device. In this tutorial, we’ll show you how to set up and use Dual SIM, and introduce you to RedteaGO, a carrier that offers eSIM service for seamless global travel.

First, make sure your iPhone is compatible with Dual SIM, which is available on iPhone XS, iPhone XS Max, iPhone XR, or later models. You’ll also need to purchase a secondary plan from your mobile carrier or transfer another line if you already have one.

Once your secondary SIM is active, go to Settings and select “Cellular” to set up Dual SIM. You can label your lines and choose default lines for iMessage, FaceTime, cellular data, and more. Remember that you can only use two lines at a time, but you can have multiple lines for different purposes.

To make a call or send a message, open the Phone app and select a contact. If you don’t assign a line to the contact, the last line you used to communicate with them will be the default for calls and messages. To assign a line, tap the option next to “default” under their name, and select a line to always use.

If you dial a phone number that isn’t in your contacts, your iPhone will use your default line for the call. You can change the line you want to use by tapping the gray cellular plan label at the top of your screen above the phone number you’re dialing.

With Dual SIM and RedteaGO, you can enjoy seamless global travel without worrying about expensive roaming fees or complicated SIM card swaps. Visit the links in the video description to learn more about using Dual SIM with an eSIM, finding wireless carriers that offer eSIM service, and the benefits of eSIM on iPhone.

Woman taking a photo of a Golden

RedteaGO gives customers the freedom to dynamically select mobile network services across the world. This allows you the ultimate convenience to buy pay-as-you-go data plans and freely switch among plans when traveling.
As Apple's official eSIM partner, RedteaGO has a solid team with 8 years of experience in eSIM technology. We are the most customer-centric eSIM brand, offering eSIMs for over 200 countries and regions worldwide.
Travel safe and travel smart with RedteaGO eSIM. Stay connected wherever you go and enjoy the convenience and reliability of our eSIM technology.

Getting Started With RedteaGO

  • Download the RedteaGO (iOS | Android) APP or visit the RedteaGO website.
  • Buy a destination eSIM.
  • 1 click to activate eSIM. 
  • Turn on your eSIM upon arrival.
  • Instantly connect to a local network.

You're all set to stay connected on the go without roaming fees! Browse our Discover+ global eSIM plans to find an eSIM package for your next trip.

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