About eSIM on iPhone (2024)

FAQs

Is it good to use eSIM in iPhone? ›

eSIM is more secure than a physical SIM because it can't be removed if your iPhone is lost or stolen. With eSIM, you don't need to obtain, carry and swap physical SIM cards, which can also be lost, or wait for them to arrive in the post before you leave.

Changing devices might not be straightforward

If you are using an eSIM and you need to change phones, chances are that you will need to contact your local provider to enquire how to transfer your eSIM. While Android and iOS have eSIM transfer tools, not all carriers allow an eSIM transfer.

What is eSIM on iPhone? An eSIM is an industry-standard digital SIM that allows you to activate a cellular plan from your carrier without having to use a physical SIM. You can install eight or more eSIMs on an iPhone and use two phone numbers at the same time.

An eSIM is a digital version of the physical SIM card—identifying your device virtually to provide network connection. It's programmable remotely via software and is built into newer smartphones, meaning you wouldn't have to go purchase a new SIM card if you wanted to swap phones or wireless carriers.

From a technical standpoint, eSIMs use low-power technologies to be energy-efficient. This means they are not likely to cause significant battery drainage.

If physical SIM is disabled, the eSIM works absolutely fine without any lag.

It can be difficult to switch devices in case of emergencies. For instance, what if your phone stops working suddenly? With a physical sim, you can easily take it out and insert it into another phone. You can't do that with an eSIM.

So while your eSIM does not come with its own phone number, you're still able to call and text while traveling internationally, either using a free app or using your regular phone number.

FAQ How to switch from eSIM to physical SIM. Can I switch from eSIM to physical SIM? Yes, you can switch back from eSIM to physical SIM in seconds, in fact you can even use both of SIMs at the same time, your primary card for calls and message, and the eSIM for internet.

As a general rule, if you set your regular (home) SIM card as your primary or preferred SIM card, you definitely need to turn off roaming before using an eSIM for travel. Otherwise, data roaming may still be activated the moment you leave the country—even if you have an eSIM installed on your Android device.

Should I turn off my primary SIM when using eSIM? ›

As long as you make sure data roaming is "off" for your primary cellular plan, you won't rack up any roaming charges. The advantage of keeping your primary cellular plan on while you're also using an eSIM data plan is that you're fully reachable on your regular phone number.

eSIM plans with call and text services provide an international number that allows you to make phone calls and send text messages abroad. If you have a data-only eSIM plan, you can still make phone calls, but will need to use an internet-based calling app (like WhatsApp), social media, or your primary number.

Device manufacturers are also hesitant to adopt eSIM technology due to concerns about its potential impact on their business models. Integrating eSIM technology into devices requires significant research, development, and testing investment, with no guarantee of widespread adoption or acceptance from consumers.

Now, let's address the burning question: does installing an eSIM change your phone number? The answer is generally no. When you install an eSIM, it doesn't directly alter your phone number. Your phone number remains the same, and you can continue to use it as you normally would.

What are the advantages of an eSIM? It's easier to switch networks. An eSIM makes it much easier to switch mobile networks. Instead of needing to order a new SIM, waiting for it to arrive, then inserting it into your phone, you can switch to a different network with a phone call or online.

An eSIM makes it much easier to switch mobile networks. Instead of needing to order a new SIM, waiting for it to arrive, then inserting it into your phone, you can switch to a different network with a phone call or online. You also won't need to go hunting for a SIM 'ejector tool' to remove the old SIM from your phone.

An eSim could save you cash when travelling outside of Europe. While eSims aren't hugely beneficial for day-to-day UK use yet, and likely not worth it if you're travelling within Europe for a short holiday (due to cheaper roaming in the EU), for a trip further afield they can be a good option.

eSIM technology gives you access to the same signal strength level as a traditional SIM but is also impacted by external factors that impact signal strength. Ultimately, there's no measurable difference between the signal strength you receive from a traditional SIM card and an eSIM.

Instabridge has been around for a while, and its eSIM services are truly one to consider if you are looking for a safe and seamless internet connection. This is especially recommended if you're going to stay in one place for a long time — you can find plans that last up to a year.