Is my phone eSIM compatible? How to check in 30 seconds

Short answer: a travel eSIM needs two things from your phone. It must support eSIM, and it must be carrier-unlocked. You can usually confirm both in a minute from your phone's settings, without buying anything. Do this before you pay for a plan.

The 30-second check

1. Look for an eSIM option in settings. On iPhone, open Settings, then Cellular (on some versions, Mobile Service or Mobile Data) and look for "Add eSIM". On Android, open Settings and search for "eSIM" or "SIM manager". If the option is there, your phone very likely supports eSIM.
2. Check the model. Apple says iPhone XS and later support eSIM, with exceptions for phones sold in some regions (see below). For Android, look up your exact model on your manufacturer's website, because support varies by model and by country of sale.
3. Check that it is unlocked. A phone locked to one carrier may refuse an eSIM from another provider. Ask your carrier, or look in your phone's settings: on recent iPhone versions, Settings, General, About shows whether there are carrier restrictions.

If steps 1 and 3 both pass, you are ready. If you are unsure about either, ask your carrier or your phone's manufacturer before you buy.

iPhone: what to know

• Apple lists iPhone XS and later as eSIM-capable. See Apple's eSIM support page for the current list.
• Some regional versions differ. Apple notes that phones sold in mainland China, Hong Kong and Macao use physical SIM cards for the most part, so check where your phone was bought.
• An older iPhone, or one that shows no "Add eSIM" option, will need a different way to get data abroad.

Android: what to know

• eSIM support differs by manufacturer, model and the country where the phone was sold. Two phones with the same name can differ.
• The reliable test is the one in your own settings: search for "eSIM" or "SIM manager". If your phone offers to add a SIM by scanning a QR code, it supports eSIM.
• Menu names vary. Some phones say "Download a SIM instead?" or "Add carrier". Our setup guide lists the wording you may see.

Carrier lock: the check people skip

An eSIM-capable phone is not enough. If it is still tied to your home carrier, for example because it is on a payment plan or was supplied by your employer, it may not accept another provider's eSIM. Contact your carrier and ask whether the phone is unlocked for use with other providers. Do it early, since a request can take time.

If your phone is not compatible

• Check dual SIM options. Some phones with two physical SIM slots can use a local SIM card instead.
• Ask your carrier about its own travel options.
• Borrow or buy a compatible phone only if it makes sense for you; for a short trip it often does not.

Next step: pick your plan

Once your phone passes, browse destinations and compare plans for where you are going. Plans for Japan, for example, start from $2.99. After checkout, scan the QR code on your order page. You do not need an account or registration, and the setup guide walks through iPhone and Android step by step.

Remember: check that your phone supports eSIM and is carrier-unlocked before you buy.

FAQ

How do I know if my iPhone supports eSIM?

Apple lists iPhone XS and later as supporting eSIM, apart from some regional exceptions. In Settings, Cellular, an "Add eSIM" option is a good sign.

Can an older phone use an eSIM?

Only if it has eSIM hardware. Phones without it cannot add an eSIM, even if the software is up to date.

Does a carrier-locked phone work with a travel eSIM?

It may not. Ask your carrier to unlock it, then check again.

Can I keep my home number?

Calls and texts can stay on your home SIM while the eSIM handles data, as long as the home SIM stays in the phone. See the setup guide.

Do I need the eSIM installed before I travel?

Many travellers install it at home on Wi-Fi so they are ready on arrival. Check the plan details for when validity begins.