Home Apple Tips Let’s Set Up Dual SIM on your iPhone!

Let’s Set Up Dual SIM on your iPhone!

by Dewi Safitri

With Dual SIM, you can add a second line to have two cellular plans on a single iPhone. We’ll show you how to set up Dual SIM and how to use it. Dual SIM is compatible with iPhone XS, iPhone XS Max, iPhone XR, or later. You’ll need to purchase a secondary plan from your mobile carrier or transfer another line if you already have one. After your secondary SIM is active, you can set up Dual SIM in Settings. You can label your lines and choose default lines for iMessage, FaceTime, cellular data, and more. When cellular setup is complete for your new plan, you might be prompted to set up Dual SIM right away. Tap Continue to start. You can have multiple lines, but you can only use two at a time. You can label each one to identify which is which. Tap Primary to label your original phone line and choose an existing label or create a custom one. 

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We’ll change this one to “Personal,” then tap Done. Tap your secondary line to label the number you just added. We’ll name this one “Business.” Tap Done. And tap Continue when you finished labeling your lines. Next, select the line you want to use as your default line. This will be the number your iPhone will use by default to make calls and send text messages. Then tap Continue and choose which lines you want to use with iMessage and FaceTime. You can select just one or both. We are going to use both. Tap Continue and choose which line will use cellular data. The other line will be voice only. If you’d like to be able to use the internet while you’re making calls with your voice-only line, you can turn on “Allow Cellular Data Switching.” When you’re finished, tap Done. If you want to make changes to a line or turn it off, you can tap it for more options. Now we’ll show you how to use Dual SIM. Your signal strength will be displayed in the upper-right corner of your screen. The top bars represent your cellular data line and the bottom represents your other line.

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When you’re ready to make a call, 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. Then select a line to always use and tap Done. 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. Just tap the line, and you’re ready to make your call. And that’s how you use two lines on one iPhone with Dual SIM. To learn more about your iPhone, subscribe to the Apple Support YouTube channel and stay updated for more upcoming articles. 

Source: How to use Dual SIM on your iPhone | Apple Support

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