Have you ever thought about changing operators or traveling abroad and using an eSIM to stay connected? If so, stop for a moment: not all smartphones and not all providers allow you this freedom. In this article, we will explain in a clear and detailed way everything you need to know about eSIMs and their compatibility, so you can make the right decision before purchasing a new device.
What is an eSIM and why is it revolutionizing mobile telephony?
The eSIM (embedded SIM) is a digital SIM integrated directly into the device, which allows you to activate a mobile plan without having to insert a physical card. It is the perfect solution for those who travel frequently, for those who want to manage multiple numbers or simply for those who seek convenience and flexibility.
eSIM and providers: compatibility is not a given
The key question is: do eSIMs work with any mobile phone provider? Unfortunately, the answer is NO. In order to use an eSIM from a different carrier than the original one, your smartphone must be unlocked , i.e. not tied to a single carrier.
Branded Smartphones: Watch Out for Hidden Blocks
When you buy a smartphone with the brand of the local operator (for example TIM, Vodafone, WindTre, etc.), you often pay less than the market price. But there is a downside: that phone is almost always locked and only accepts SIM cards or eSIMs from that specific operator.
The risk? You will not be able to insert an eSIM from another operator, neither Italian nor foreign. If you travel or want to change provider, you will find yourself "trapped" and will have to face the unlocking procedure, which can take time and, in some cases, additional costs.
How to tell if your smartphone is unlocked
Here's a handy guide to quickly check your device's compatibility:
With iPhone:
Go to "Settings" > "General" > "About"
Scroll to "Carrier lock" or "Network lock"
If you see "No SIM restrictions", your phone is unlocked. If you see a carrier name, your phone is locked and will only accept SIM/ eSIM cards from that carrier.
Su Android:
Go to "Settings" > "Network & Internet" > "Mobile Network"
If you can select multiple carriers, your phone is unlocked. If you only see your carrier, your phone is locked.
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Why are locked phones still so widespread?
Many operators sell smartphones at discounted prices, but in exchange they bind them to the exclusive use of their SIM Cards or eSIMs . This practice, often not very transparent, can create many problems for those who want to change operator or use the phone abroad.
What to do before buying a smartphone
Before purchasing a smartphone, we recommend that you:
Always ask if the phone is unlocked or branded.
Check eSIM compatibility with the provider you want to use.
Remember: Unlocking a phone after purchase can be complicated and, in some cases, void the warranty or incur additional costs.
eSIM: Which operators support it?
The good news is that most major global carriers now support eSIMs , both on iPhone and Android. However, not all providers are up to date yet and compatibility should always be checked before purchasing an eSIM or a new smartphone.
Conclusion: Freedom of choice starts with an unlocked smartphone
Do you really want to make the most of the flexibility of eSIMs ? Make sure your smartphone is unlocked and not branded. Only then will you be able to change operator whenever you want, travel without limits and always choose the best rate. Don't be fooled by the low price: the real convenience is the freedom to choose.
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