Yes, many modern smartphones and devices allow the use of both an eSIM and a physical SIM card simultaneously. This setup is often referred to as “dual SIM” functionality. Here are some key points to consider:

How Dual SIM Functionality Works:

1. Primary and Secondary Lines:
   • You can set one SIM as the primary for calls, texts, and data, and use the other for specific purposes, such as a separate business line or for traveling.
2. Separate Carriers:
   • You can use two different carriers on the same device. This is useful for managing personal and work numbers or for using a local carrier while traveling abroad without losing access to your primary number.
3. Simultaneous Use:
   • Both SIMs can be active at the same time, allowing you to receive calls and messages on both numbers. However, data usage is typically limited to one SIM at a time, and you may need to switch between them in the settings.

Advantages of Using Both eSIM and Physical SIM:

1. Flexibility:
   • Having two SIMs gives you the flexibility to switch between different networks and plans based on your needs.
2. Cost Savings:
   • You can avoid roaming charges by using a local SIM while traveling, while still keeping your primary number active for important calls and messages.
3. Separation of Personal and Work Numbers:
   • You can easily manage personal and business calls/messages without needing two separate devices.
4. Redundancy:
   • If one network has poor coverage, you can switch to the other to maintain connectivity.

Things to Consider:

1. Device Compatibility:
   • Ensure your device supports dual SIM functionality. Not all devices do, and the availability of this feature can vary by region and model.
2. Carrier Support:
   • Check if your carriers support eSIM and dual SIM functionality. Some carriers may have restrictions or specific requirements.
3. Battery Life:
   • Using two SIMs simultaneously can have an impact on battery life, as the device has to manage connections to two networks.
4. Settings Management:
   • Managing two SIMs requires some initial setup and ongoing management, such as selecting the default SIM for data usage or specific contacts.

Examples of Dual SIM Devices:

• Apple iPhones: Recent models like the iPhone 12, 13, and 14 series support dual SIM with one physical SIM and one eSIM.
• Google Pixel: Models like Pixel 4, 5, and 6 support dual SIM functionality.
• Samsung Galaxy: Many Galaxy models, including the S20, S21, and S22 series, support dual SIM with eSIM.

In summary, using both an eSIM and a physical SIM simultaneously is a practical and flexible solution for many users, offering the benefits of dual connectivity and enhanced convenience.