eSIM technology is changing how we connect to mobile networks by providing a digital alternative to traditional SIM cards. Without a physical chip, users can easily activate or switch their carriers while travelling. But how do you set up and use an eSIM?
Which Devices Can Use eSIMs?
Not all smartphones and tablets support eSIMs, but many newer models do. For example:
Apple: iPhone XR, XS, 11, 12, 13, 14, and later models.
Samsung: Galaxy S20, 21, 22, 23, and Fold/Flip variants.
Google: Pixel 3, 4, 5, 6, and later models.
Other Devices: Some smartwatches, tablets, and laptops have eSIM support as well.
Setting Up an eSIM
Setting up an eSIM is fairly straightforward and requires the following steps:
Confirm Your Carrier’s eSIM Support
Make sure your mobile network provider has eSIM support. The majority of major UK networks like EE, O2, Vodafone, and Three now provide eSIM options.
Order an eSIM Plan
Purchasing an eSIM-compatible mobile plan is recommended. Some providers allow the conversion of physical SIMs to eSIMs, while others require users to order a dedicated eSIM.
Activating Your eSIM
After obtaining your eSIM activation details eSIM activation, proceed as follows:
Setting Up eSIM For iPhones
Settings > Mobile Data > Add Data Plan.
Scan the QR code provided by your carrier.
On-screen prompts will guide you the rest of the way.
Activating eSIM For Android Devices
Go to Settings > Connections > SIM Manager.
Choose Add Mobile Plan and proceed to scan the QR code.
Complete the remaining steps as prompted.
Make Your Preferred Line Main (Dual SIM Usage)
If you have an eSIM and a physical SIM, decide which number will be primary for calls, messages, and data.
Switching Device On
After setting everything up, switch off and on your phone to make sure that the eSIM is active and usable on your device.
Benefits of Switching to eSIM
There are many benefits of switching to an eSIM card, especially for those travelling or moving frequently:
No Authentication Period Activations – There is no need to wait for a SIM card to arrive in the mail.
Multiple Lines – A single device can store several carrier profiles.
Good for Travelers – Makes it easier to use a local carrier in foreign countries.
More Secure – Your eSIM cannot be removed in case your phone is lost or stolen.
Disadvantages of eSIM Cards
Some of the disadvantages of using an eSIM include device selectivity and network restrictions. Here we outline some limitations eSIM users might face:
Device Selectivity – Not every smartphone is eSIM capable.
Network Restrictions – Even though it’s 2025, many networks stilll do not use eSIM technology.
Challenges for Setup – Activation using a QR code can be confusing for some users.
Which Providers Offer an eSIM in the UK?
Most of the UK’s biggest networks offer eSIMs such as:
EE – eSIMs are available for both business and pay monthly customers.
Vodafone – eSIMs are available for certain pay-monthly bundles.
O2 – eSIMs are available for customers on contract.
Three UK – Has recently added support for eSIMs.
