eSIM (embedded SIM) is a digital SIM built into your phone. Instead of inserting a plastic card, you scan a QR code and your plan activates instantly. Here's everything you need to know about eSIM in Ireland.
What Is eSIM?
eSIM is a small chip built into modern phones that can store your mobile plan digitally. Benefits include:
- Instant activation: No waiting for SIM delivery
- Dual SIM capability: Use two numbers on one phone
- Easy switching: Change networks without swapping cards
- Travel-friendly: Add local eSIMs when abroad
Which Irish Networks Support eSIM?
| Network | eSIM Support | Notes |
|---|---|---|
| Eir | ✓ | Bill pay and prepay |
| Three | ✓ | Bill pay only |
| Vodafone | ✓ | Bill pay and prepay |
| GoMo | ✓ | Full support |
| 48 | Limited | Check availability |
| Clear Mobile | ✓ | Full support |
| Tesco Mobile | ✗ | Physical SIM only |
| Lycamobile | ✓ | Full support |
| Virgin Media | ✗ | Physical SIM only |
Which Phones Support eSIM?
iPhone: iPhone XS and later (2018+)
Samsung: Galaxy S20 and later, Z Fold/Flip series
Google Pixel: Pixel 3 and later
Other: Many recent Android flagships
Check your phone's settings → About Phone → eSIM to confirm.
How to Set Up eSIM
Step 1: Order eSIM
Choose eSIM (not physical SIM) when signing up with your network.
Step 2: Receive QR Code
You'll get a QR code via email or in your account.
Step 3: Scan and Activate
- iPhone: Settings → Mobile Data → Add eSIM → Scan QR
- Android: Settings → Network → SIM → Add eSIM → Scan QR
Step 4: Choose Default Line
If using dual SIM, select which line handles calls, texts, and data by default.
eSIM for Dual SIM Use
Modern iPhones and Androids support one physical SIM plus one eSIM. Use cases:
- Work + Personal: Two numbers, one phone
- Ireland + Travel: Keep Irish number, add local eSIM abroad
- Testing networks: Try a new network without removing current SIM
eSIM for Travellers
eSIM is excellent for travel:
- Keep your Irish eSIM active
- Add a local eSIM in your destination country
- Use local data, keep Irish number for calls home
Popular travel eSIM providers: Airalo, Holafly, Nomad.
eSIM vs Physical SIM
| Feature | eSIM | Physical SIM |
|---|---|---|
| Activation | Instant | Wait for delivery |
| Switch networks | Scan new QR | Get new card |
| Dual SIM | Easy | Need dual-SIM phone |
| Lost phone | Re-download plan | Get replacement |
| Older phones | Not supported | Universal |
Common eSIM Questions
Can I convert physical SIM to eSIM? Yes, most networks let you convert. Contact your provider.
Can I have multiple eSIMs? Yes, phones can store multiple eSIM profiles (but only 1-2 active at once).
Is eSIM secure? Yes, same security as physical SIM. Can't be removed if phone is stolen.
What if I change phones? Transfer eSIM through your network account or get a new QR code.
Last updated: January 2026