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While you are limited to having a maximum of two physical SIM cards in a single phone, eSIM technology allows you to accommodate many more cellular plans, usually up to 8 or 10.
This is incredibly convenient and useful, particularly when you start using travel eSIMs for your international trips. However, without proper labeling of each eSIM / cellular plan, you could find yourself in a situation where it's challenging to distinguish one eSIM from another as you keep adding new ones.
The identification number for SIM cards, including eSIMs, is known as ICCID (Integrated Circuit Card Identifier). Each eSIM is assigned a unique ICCID without exception.
