In China mainland, Hong Kong, and Macao, certain iPhone models feature Dual SIM with two nano-SIM cards. This gives you two phone numbers to make and receive calls and text messages.| Apple Support
An eSIM is a digital SIM that allows you to activate a mobile data plan from your network provider without having to use a physical nano-SIM. Find out which wireless carriers in your country or region offer cellular plans on an eSIM, either activated by eSIM Carrier Activation, eSIM Quick Transfer, or other activation methods. Many carriers also support eSIM activation on prepaid plans, if you want to use a local line while traveling internationally. Worldwide service providers also offer eSI...| Apple Support
Use the sitemap to find your way around apple.com. Learn about and shop our products including the iPhone, Mac, iPad, Apple Watch, and more.| Apple
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