Have you ever wondered if you can use both your physical SIM and an eSIM simultaneously on your smartphone? Maybe you want to keep your Italian number active for calls and texts, but use an international eSIM for data when you travel. It's a question many travelers and digital nomads ask, and the answer might surprise you: in most cases, yes, you can!
The simple answer: yes, it works (almost always).
The good news is that the vast majority of modern smartphones with eSIM support allow you to use both a physical SIM and an eSIM simultaneously . This configuration is called Dual SIM and allows you to have two active numbers on the same device.
Basically, you can set your phone to receive calls and texts on your Italian SIM (the physical one), while using the international eSIM to browse the internet. When someone calls you, it rings normally. When you open an app or browse the web, you use the eSIM's data. It's like having two phones in one.
This solution is perfect for frequent travelers: keep your main number always reachable and take advantage of advantageous local or international data rates without having to change cards every time you cross a border.
How Dual SIM works technically
Smartphones with built-in eSIM technology (such as the iPhone XS and later, the Samsung Galaxy S20 and newer models, and the Google Pixel 3 and later) natively support Dual SIM mode. This means the device can manage two independent phone profiles.
Here's how to set up the two SIMs:
Physical SIM : inserted into the phone's slot, it's usually the one you use for calls and messages
eSIM : Downloaded and activated digitally via QR code or app, ideal for internet data on the go
Available operating modes:
Dual SIM Dual Standby (DSDS) : Both SIMs are active and can receive calls, but when you are on a call on one line, the other is busy.
You can choose which SIM to use for : voice calls, SMS and mobile data (the settings are separate and customizable)
On your smartphone, you'll find a dedicated section in the settings where you can select which SIM to use by default for each function. For example, you can set calls to originate from the physical SIM, while data is always handled by the eSIM.
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Practical tips for managing SIM and eSIM together
Check your smartphone's compatibility : Not all phones support eSIMs. Check the manufacturer's website or in your device settings (look for "eSIM" or "digital SIM").
Configure priorities in Settings : Go to Settings > Cellular/Mobile Network > SIM and set which line to use for data, calls, and texts. This process takes just a few seconds and avoids unnecessary data usage.
Disable data roaming on your physical SIM when traveling : To avoid unexpected costs, disable roaming on your Italian SIM and enable data only on your international eSIM. This way, you'll continue to receive calls without any surprises on your bill.
Give your SIMs recognizable names : in the settings, you can label your lines as "Personal" and "Travel" or "Italy" and "International Data." This makes everything more intuitive when you need to quickly change settings.
Check network coverage : Some international eSIMs work on specific networks. Check that your eSIM provider has roaming agreements in your country to ensure the best possible connection.
BLIVALE: the ideal solution for connected travel
If you want to avoid surprises during your travels, BLIVALE offers international eSIM and SIM cards with unlimited free roaming in over 200 countries and regions.
Activate your eSIM in seconds, manage everything from the app, and stay connected wherever you are. No hidden costs, no complications—just simple, reliable connectivity.
With BLIVALE , you can keep your physical SIM active for calls and texts, while using the eSIM for unlimited data worldwide. A perfect solution for those who don't want to sacrifice flexibility and convenience.
Conclusion
Using a physical SIM and eSIM together is not only possible, it's also the smartest strategy for travelers. Keep your main number always active and add a flexible and affordable international data connection. Check now if your smartphone supports eSIM technology and discover the freedom of staying connected anywhere with BLIVALE , without compromise and without worries.te rhoncus vel dui.
