1. Two Physical SIM Cards: Insert two physical SIM cards into the device.
2. Physical SIM Card and eSIM: Utilize one physical SIM card alongside an eSIM.
3. Two eSIMs: Exclusive to iPhone 15, 15 Pro, 15 Pro Max, and subsequent versions, you can employ two eSIMs.
Advantages of the dual SIM feature include:
1. While traveling, you can utilize the data from a new eSIM without forfeiting your original SIM/eSIM card or phone number.
2. Having multiple phone numbers on a single device is possible, which proves beneficial if you require numbers from different countries.
3. You can create a distinction between your personal and business communication by utilizing two separate numbers.