eSIM for Ireland and the UK: Your Questions Answered

Do you find yourself often travelling from Ireland to the UK?

If so, the team at is here to help. We’re an online UK eSIM store that offers low cost UK O2 eSIM plans.

Because we get all sorts of questions from our customers, we have put together this short guide just for you. So, without any further ado, here are the answers to some of your frequently asked questions about using an eSIM for travelling from Ireland to the UK.

eSIM Ireland customer holding eSIM-enabled smart phone

What is an eSIM?

An eSIM (“Embedded Subscriber Identification Module”) is a small chip that is embedded inside many of the latest devices. It can work concurrently with a physical SIM card, offering two mobile numbers and cellular plans in one device.

Unlike a physical SIM card, an eSIM can be reprogrammed to any mobile network and cannot be removed.

Read: What Are the Different Kinds of eSIMs

Does Ireland Support eSIM?

Currently, no Irish domestic operators offer eSIM service. However, it is possible to purchase a global roaming eSIM service that works for data, voice and SMS in Ireland. These will roam onto the local operators’ networks.

Does Vodafone Ireland Support eSIM?

Vodafone Ireland does not currently support eSIM for use on smartphones, tablets or other devices. To use an eSIM data, voice or SMS plan in Ireland, customers are required to purchase a global roaming eSIM service from an online eSIM store.

Do Three Ireland Support eSIM?

Three Ireland, similarly to all mobile network providers in Ireland, does not support eSIM. To use an eSIM service in Ireland, customers can purchase data, voice and SMS global roaming packages through online eSIM stores.

These eSIM plans will roam on to the local operators’ networks.

How Do I Get an eSIM in Ireland?

Irish operators do not currently offer eSIM services. However, customers can get an eSIM by purchasing a global roaming package through online eSIM stores. Pricing is usually higher for roaming mobile service than for domestic service but will allow customers the benefit of using their eSIM-enabled device.

Home page and search feature of, helping users find eSIM for Ireland or the United Kingdom offer competitive data, voice and SMS eSIM packages for Ireland and the United Kingdom, as well as worldwide

Is eSIM Available in the UK?

eSIM services will work in the UK, with a number of mobile providers and online stores offering eSIM data, voice and SMS plans. Customers can purchase eSIM services in-country, or purchase eSIM plans prior to their arrival in the United Kingdom.

Related | eSIM UK: How To Get One For Your Phone

What Network Operators Support eSIM in the UK?

  • O2
  • EE
  • Vodafone

Check out our bespoke O2 eSIM for the UK

How Do I Get eSIM in the UK?

Customers looking to purchase eSIM services can choose from a range of online eSIM stores or visit selected mobile providers’ retail stores in-country.

A range of eSIM packages, including voice, SMS and data, are available to residents of the UK or visitors from overseas.

What Countries Support eSIM?

Customers can purchase eSIM roaming plans online that work in countries worldwide. Major travel destinations with their own wireless carriers that support eSIM service include the United Kingdom, United States, Canada, Australia, New Zealand, Brazil, Germany, France, The Netherlands, Singapore and Hong Kong.

Phone with eSIM slot and SIM card

If you are ready to buy your eSIM for the UK, then check out our full list of eSIM-enabled devices to ensure your handset is ready for eSIM.