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Is the iPhone Duo eSIM compatible?
Yes, exclusively. Apple’s first foldable iPhone has no physical SIM tray at all: everywhere in the world, it works with eSIM only.
Is the iPhone Duo eSIM-only in every country?
Yes, unlike the iPhone 18 Pro (eSIM-only in just 12 countries), the iPhone Duo is the first iPhone to be eSIM-only everywhere, including France. Apple says this frees up internal space, used to maximize battery capacity. Availability in mainland China is still pending regulatory approval.
What is dual eSIM on the iPhone Duo?
The device supports two active eSIMs at the same time, and can store eight or more eSIM profiles. With no physical card slot, every line has to run through eSIM.
When does the iPhone Duo launch?
Available in over 70 countries and regions starting October 23, 2026, with 28 additional countries following on October 30.
Will my Ubigi eSIM work on the iPhone Duo?
Yes: since it’s eSIM compatible, the iPhone Duo can receive a Ubigi data eSIM plan just like any recent iPhone. Before buying, just make sure your main carrier supports eSIM, since the Duo doesn’t accept any physical card.
How do I activate Ubigi eSIM on my iPhone Duo?
Follow the steps here to activate your Ubigi eSIM.
What are the benefits of using Ubigi eSIM on an iPhone?
Convenience: no need to swap physical SIM cards while traveling or switch carriers.
Global coverage: available in over 200 destinations, for reliable connectivity wherever you go.
Savings: avoid costly roaming fees by using local eSIM plans in your destination country.
Security: eSIMs can’t be removed from a lost or stolen iPhone, making them more secure than physical SIM cards.
How to check eSIM compatibility
How to check carrier unlocking