Will your phone work with a Spain eSIM?

You need an eSIM-capable phone, permission to use another carrier, and a plan that supports your exact device.

Check the exact model, not just the name

Find your model number in your phone’s settings and check it against the manufacturer’s documentation and the provider’s compatibility list. Devices sold under the same product name can have different regional SIM configurations. An “Add eSIM” option is a useful starting point, but does not establish that every travel plan will work.

Check whether the phone is carrier locked

On iPhone, open Settings → General → About and look for Carrier Lock. Apple says “No SIM Restrictions” indicates an unlocked device. If the device is locked, ask your home carrier about unlocking it before purchasing another carrier’s plan.

On Android, menus vary by manufacturer and software version. Check your device documentation and ask the original carrier to confirm its lock status. Do not rely on an IMEI-checking site that you do not trust.

Confirm the requirements of the selected plan

Does the provider explicitly support your device and regional model?
Can you install the eSIM using Wi-Fi before departure?
Does installation start the validity period, or does it start later?
What happens if the device is incompatible after purchase?

A compatible phone does not guarantee signal everywhere. Device support, plan coverage and local reception are separate checks.

If your device is not supported

Compare your home carrier’s roaming option with a physical SIM or a portable hotspot. A travel eSIM is only useful if your phone can install and use it.

Device source: Apple’s international eSIM guidance. Check your manufacturer for other devices.