eSIM for iPhone: which models support it, and how to activate one

Every iPhone from the XS onward supports eSIM

Apple splits its iPhone lineup into three groups: eSIM only, eSIM plus a nano-SIM tray, and nano-SIM only. The dividing line for eSIM support is the iPhone XS, XS Max and XR. iPhone X and everything before it takes a nano-SIM card and nothing else, according to Apple’s model list.

Where a phone was bought matters more than which model it is. iPhone 14, 15 and 16 models sold in the United States are eSIM only, with no SIM tray in the chassis. For the iPhone 17e, 17, 17 Pro, 17 Pro Max, 18 Pro and 18 Pro Max, Apple’s eSIM-only list has grown to cover the United States Virgin Islands, Canada, Mexico, Japan, Guam, the United Arab Emirates, Saudi Arabia, Bahrain, Kuwait, Qatar and Oman as well.

Storage and activity are two different limits. Apple’s setup article describes an iPhone as able to manage up to eight or more eSIMs, while the travel article states that two eSIMs can be active at the same time on supported iPhone models. So you can keep a stack of dormant travel profiles on the phone and switch between them, but only two lines run at once.

Apple’s own case for the flexibility of eSIM is as much about security as convenience. An eSIM cannot be pulled out of a handset that is lost or stolen, and nothing has to arrive by post before you can stay connected.

If you are checking a device other than an iPhone, our list of eSIM compatible devices covers Android handsets, tablets and watches. This page stays on iPhone.

How an eSIM actually lands on an iPhone

An eSIM is a carrier profile written into a chip that is soldered to the logic board, and the rules about what can be written there are set by the industry body rather than by Apple.

Your carrier writes a profile, not a card

The GSMA, which publishes the eSIM specification, describes the technology as letting consumers store multiple operator profiles on a device and switch between them remotely. The chip is called an eUICC, and it is permanently embedded in the phone.

That design has one consequence for anything you buy. Apple’s own deployment documentation states that the GSMA eSIM specification SGP.21 restricts eSIM profiles from being exported from one eUICC to another. An eSIM you install is tied to that phone, and moving it means the carrier reissuing it rather than you copying it across.

Five routes Apple supports for installing one

Apple’s setup article lists five activation methods, ordered by how little work each one needs from you. Those are eSIM Quick Transfer from another iPhone, eSIM Carrier Activation pushed by your carrier, a QR code, a catch-all group covering a carrier link, a carrier app or manual entry, and transferring from an Android or other non-Apple device.

Moving a number off Android is the one Apple hands back to the carrier, which will do it either through eSIM Carrier Activation or by issuing a QR code.

Travel eSIMs almost always arrive as a QR code or a link, because the seller has no way to push a profile to a phone it has never seen. Apple’s own path for that is Settings, Cellular, Add eSIM, then Use QR Code, tapping Other Options first if that button is not on screen, with Enter Details Manually as the fallback when the code will not scan.

Wi-Fi is a requirement, with one narrow exception

Installing an eSIM needs an internet connection, because the phone has to fetch the profile from the carrier’s server. Apple lists a Wi-Fi network or hotspot as a requirement in its setup article, and repeats it in the troubleshooting article.

The exception is narrow and easy to over-read. Apple’s wording is that in some countries and regions, iPhone models that are eSIM only can activate without a Wi-Fi network. That covers carrier activation of a home line on an eSIM-only handset, not a travel profile you bought from a third party.

iOS 26 added a travel-specific path

Recent iOS versions treat travel eSIMs as their own category rather than as another line. The iPhone User Guide documents Settings, Cellular, Add eSIM, then View Travel Options, and Apple’s travel article describes a Turn On Travel eSIM notification that appears when you reach your destination with a profile already installed.

That notification offers two choices, Travel eSIM Only or Travel eSIM and Current eSIM. Apple notes that picking both still leaves you exposed to roaming fees on the home line. Behaviour like this changes between iOS releases, so treat it as how iOS 26 and later work rather than as permanent.

What a second line quietly changes

Adding a travel eSIM alongside your home number puts the iPhone into Dual SIM, and Dual SIM has rules that never appear on a seller’s product page. Four of them cause most of the confused support messages.

Data runs on one line at a time

Apple’s wording is that one number at a time can use cellular data. Both lines can ring and both can receive messages, but only the line you nominate under Settings, Cellular, Cellular Data carries the data.

There is a switch called Allow Cellular Data Switching that lets the other line borrow data while you are on a call with it. Apple’s Dual SIM article notes that this does not work while Data Roaming is on, which is exactly the state a home line is usually in abroad.

Messages picks a line and will not give it back

This one cannot be undone. The iPhone User Guide states that if you start an SMS or MMS conversation using one line, you cannot switch that conversation to your other line. To move it you have to delete the conversation and start a new one.

iMessage and FaceTime are separate. When you set your default line, Apple lets you choose which numbers iMessage and FaceTime use, and you can pick either or both. Keeping the home number ticked is why iMessage keeps working after you switch the line used for data to a travel plan.

Apple makes the same point about calls. While you are traveling you can continue to use FaceTime, iMessage and other apps to make VoIP calls or send messages on the home line, even with the travel eSIM carrying the data.

Calls can go straight to voicemail with no notification

The iPhone User Guide adds a warning about Wi-Fi Calling. If Wi-Fi Calling is off for a line, incoming calls on that line go directly to voicemail whenever the other line is in use, and you will not receive missed call notifications.

Apple explicitly includes calls from emergency services in that sentence. Turning on Wi-Fi Calling for both lines, where your carrier supports it, is the fix.

Personal Hotspot follows the data line

Apple’s guide states that Instant Hotspot and Personal Hotspot use the line selected for cellular data. If you tether a laptop while the home line is still nominated for data, every byte goes through your roaming plan rather than the travel eSIM you bought.

Apple adds one related footnote. If Data Roaming is on for the line carrying cellular data, the voice-only line loses Visual Voicemail and MMS.

Contacts remember which line you used

By default the iPhone calls a contact back on whichever number you used last time, and falls back to your default number if you have never called them. Apple’s Dual SIM article gives the override: tap the contact, tap the word default, then pick the number you want.

Labelling both lines first makes that screen readable. Settings, Cellular, tap a number, then Cellular Plan Label, and the label follows the line into Phone, Messages and Contacts.

Install a travel eSIM on your iPhone

Carriers deliver cellular service digitally now, so nothing arrives in the post. You need three things in front of you before step one: an unlocked iPhone, a Wi-Fi connection, and, however you get your eSIM, the QR code or activation link that came with it. Menu labels below are the ones Apple prints, and they shift slightly between iOS versions.

Step 1. Confirm the iPhone is not locked to a carrier

Apple states plainly that to use a travel eSIM from another carrier, your iPhone cannot be locked to one. Open Settings, tap General, then tap About, and look at Carrier Lock.

If it reads No SIM restrictions, you are clear. If it does not, only your carrier can change that, and Apple’s unlocking article says that Apple cannot do it and that the carrier may take a few days.

Step 2. Get on Wi-Fi before you install

The profile has to be fetched from the carrier’s server, so the phone needs a working internet connection at the moment you install. Do this at home or at the hotel rather than leaving it until you are relying on the eSIM itself for data.

Step 3. Add the eSIM

For a QR code after setup, Apple’s route is to open the Camera app and scan it, tap the Cellular Plan Detected notification, tap Continue, then tap Add Cellular Plan. On iOS 17.4 or later, a QR code that arrives in your default mail app or browser can be touched and held instead, then tap Add eSIM. Either route is enough to activate an eSIM on its own.

If the seller sent a link rather than a code, Apple’s instruction is to tap it, tap Allow when the Activate New eSIM notification appears, then tap Continue. For codes that will not scan, use Settings, Cellular, Add Cellular Plan, then Enter Details Manually.

Step 4. Label both lines

Go to Settings, Cellular, tap the new number, then Cellular Plan Label. Apple suggests labels like Business and Personal; Home and Travel is clearer for a trip.

Step 5. Point cellular data at the travel line

Settings, Cellular, Cellular Data, then tap the travel line. Skip this and the home line keeps carrying your data at roaming rates.

Leave your home number selected for iMessage and FaceTime if you want those to keep working on it. Apple confirms both continue to work on the home line while the travel eSIM carries data.

Step 6. Check the line is on before you fly

Once you activate your eSIM, Apple’s verification step is Settings, Cellular, then confirm that the new line below eSIMs is turned on. A travel plan usually starts counting validity from first connection rather than from purchase, so read your seller’s terms before switching it on early.

Step 7. If nothing appears, work through Apple’s order

Apple’s troubleshooting article gives a sequence: toggle Airplane Mode off and on, then open Settings, Cellular and turn the line off and back on, then restart the phone. Check after each one.

Carrier settings sit at Settings, General, About, in the eSIM section next to Carrier, and tapping the version number prompts an update if one exists. Your IMEI and EID are on the same screen, and support will ask for them.

Mistakes that cost travellers their data

An eSIM does not move house the way a SIM card does

Swapping a nano-SIM into a new phone takes a paperclip. An eSIM cannot be copied across, because the GSMA specification blocks profiles from being exported from one eUICC to another.

Apple’s answer is eSIM Quick Transfer, and it has prerequisites. Apple currently lists being signed in to both devices with your Apple Account, unlocking the previous iPhone with its passcode, both devices nearby with Bluetooth on, and both on iOS 18.4 or later.

That iOS floor is stricter than the one the feature originally shipped with, so treat it as what Apple documents today rather than as a fixed rule. If Quick Transfer is not offered, the fallback is your carrier reissuing the profile.

Apple’s own pages disagree about the iPhone SE (2nd generation)

Apple’s model list files iPhone SE (2nd generation or earlier) under nano-SIM card only. The iPhone User Guide lists the same model as supporting one physical SIM and one eSIM, in the same breath as iPhone XR and iPhone 11. Apple’s deployment documentation sides with the Dual SIM page.

We are not going to pretend that is settled. If you have an SE from 2020, open Settings, Cellular and look for Add eSIM; if the option is there, the hardware is there.

China mainland is its own set of rules

Apple states that in China mainland only iPhone 18 Pro, iPhone 18 Pro Max, iPhone 17e and iPhone Air support eSIM. In Hong Kong and Macao, certain iPhone models ship with two nano-SIM slots instead of an eSIM.

There is a matching restriction going the other way. An eSIM issued by a China mainland carrier cannot be used on a device bought outside China mainland.

Which SIM each iPhone takes

Rows below are sorted newest first and every one is drawn from Apple’s model list and the iPhone User Guide’s Dual SIM page. Purchase country changes the answer for every model from the iPhone 14 onward, so it is a column rather than a footnote.

Whether there is a tray depends on where the handset was bought, so an imported phone behaves differently from a locally bought one of the same model. Dual SIM with two eSIMs starts at the iPhone 13 and SE (3rd generation), which is why older models can hold several profiles but pair only one eSIM with the physical card.

On any model with a tray you can use both a physical SIM and an eSIM at once. Keeping the home number there and using a physical SIM for it leaves the eSIM side free for travel plans.

Buying a travel eSIM for an iPhone

eSIMply sells travel eSIMs, so treat this section as the disclosure it is. Everything above it comes from Apple’s documentation rather than from us, including the model rules, the Settings paths and the Dual SIM behaviour.

What matters for an iPhone specifically is delivery format. A worldwide provider cannot push a profile to a phone it has never seen, so the plan arrives as a QR code by email straight after ordering, which is the route Apple documents for third-party eSIMs. eSIMply covers 204 individual destinations plus regional bundles, and there is no ID check to get through before the code arrives.

If you are still deciding between formats, we have a separate piece on eSIMs versus physical SIM cards, and another on picking a plan that matches your trip. Both are written for travellers rather than for phone buyers.

iPhone eSIM questions that come up most

Most searches around this topic are really one of two questions: does my iPhone take an eSIM, and what breaks when I add a second line. Answers below stick to what Apple publishes.