Compatible devices, which networks support digital SIMs, and how to activate.
Ask Our Team →An eSIM is a digital SIM built into your device — no physical plastic card needed. Activate by scanning a QR code or via your network's app, typically in under 10 minutes. All six networks covered here support eSIM in 2026.
| Network | eSIM | Activation | Notes |
|---|---|---|---|
| O2 | ✓ Yes | My O2 app / QR | Apple Watch; satellite-compatible |
| Three | ✓ Yes + PAYG | Three app / QR | PAYG eSIM available — unique UK |
| EE | ✓ Yes (widest) | My EE app / QR | Apple Watch, tablets, laptops |
| Vodafone | ✓ Yes | My Vodafone / QR | Galaxy Watch, tablets |
| Tesco Mobile | ✓ Yes | QR code by email | Pay Monthly plans |
| Sky Mobile | ✓ Yes | Sky Mobile app | All plan types |
iPhone XS, XS Max, XR (2018) and all later models. The iPhone Air (2025) and iPhone 15/16 UK are eSIM-only — no physical SIM slot.
S20 series and later. Z Fold and Z Flip series. Selected Galaxy A series.
Pixel 3 and all later models.
Dial *#06# — if an EID number appears alongside your IMEI, your device supports eSIM.
Three is one of the only UK networks offering eSIM on PAYG — no contract, no credit check, fully digital. Useful for devices without a physical SIM slot, or for testing Three's network before committing to a contract.
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