Devices
iPhone 17 and 17 Pro: SIM + eSIM or eSIM only — which to buy
How the “SIM + eSIM” iPhone 17, 17 Pro and Pro Max differ from the “eSIM only” versions, how to check which one you have, and which works better for travel.
The iPhone 17, iPhone 17 Pro and iPhone 17 Pro Max come in two versions: one with a tray for a single nano-SIM plus eSIM, and one with no tray at all, eSIM only. Which version you get depends on the country the phone was made for, not on storage or color. Both work fine with a travel eSIM; the only real difference in daily life is where your home number lives.
Which SIM versions of the iPhone 17 are there?
The 2025 lineup — iPhone 17, iPhone Air, iPhone 17 Pro and iPhone 17 Pro Max — varies by SIM setup depending on where it’s sold. Everything below is based on Apple’s information at the September 2025 announcement; before you buy, double-check Apple’s specs for the country you’re interested in.
- iPhone Air: eSIM only in every country, with no SIM tray in any version.
- iPhone 17 Pro and iPhone 17 Pro Max: eSIM only in 12 countries and territories — the US, Canada, Mexico, Japan, Guam, the U.S. Virgin Islands and the Gulf states: the UAE, Saudi Arabia, Qatar, Kuwait, Oman and Bahrain.
- In most other countries, including Europe, the iPhone 17 Pro and Pro Max come with a nano-SIM tray plus eSIM support.
- The base iPhone 17 is eSIM only in the same 12 countries and territories and has a nano-SIM tray plus eSIM elsewhere; in the US, every iPhone since the 14 series has shipped without a tray.
- Versions for mainland China, Hong Kong and Macao have historically shipped with two physical SIM slots — if your phone was bought there, check the exact model.
The eSIM-only iPhone 17 Pro and iPhone 17 Pro Max got a bigger battery: Apple used the space that the SIM tray takes up in other versions. If you’re choosing between “SIM + eSIM” and “eSIM only”, that’s the only noticeable hardware difference besides the tray itself.
What do “SIM + eSIM”, “eSIM only” and “Dual SIM” mean in listings?
The labels in store listings tell you where the iPhone 17 keeps your numbers. iPhones travel a lot before they reach their owners: resellers and marketplaces often stock US, European, Asian and Middle Eastern versions of the same model side by side, which is why the labels are all over the place.
| Label | What it means | How it works for travel |
|---|---|---|
| SIM + eSIM, nano-SIM + eSIM | A tray for one physical nano-SIM, plus eSIM | The easiest option: your home SIM stays in the tray and the travel eSIM goes on line two |
| eSIM only | No tray; all numbers are digital, with two active eSIMs | Great if your carrier already gave you an eSIM; there’s nowhere to put a plastic SIM |
| Dual SIM, 2 SIM | Usually two physical nano-SIMs; for iPhone, historically the label on versions for China, Hong Kong and Macao | Check the exact model: these versions may not support eSIM, so a travel eSIM might not install |
| Dual eSIM | Two active eSIMs at the same time; every iPhone 17 has this, tray or not | Lets you keep your home number and a travel eSIM even when both are digital |
Storage in the name — iPhone 17 256 GB, iPhone 17 Pro 512 GB — has nothing to do with SIM cards. Whether a phone has a tray depends only on the country it was made for, so an iPhone 17 256 GB “SIM + eSIM” and an iPhone 17 256 GB “eSIM only” are different products with the same storage.
How to check which iPhone 17 version you have (or are buying)
You can identify an iPhone 17 version in a couple of minutes from the phone itself and its settings. If the phone is still in the store, ask the seller to show you this info before you pay.
- Look at the side of the iPhone: the “SIM + eSIM” version has a tray with a tiny pin hole, the “eSIM only” version doesn’t.
- Open Settings → General → About and find the Model Number line.
- Tap the model number: the part number switches to a number in the form A-xxxx. That one pinpoints the exact version of the phone.
- Look up this model number in Apple’s specs for the relevant country and check the SIM card section.
- Scroll further down in About or dial *#06#: if an EID shows up, the phone has an eSIM chip.
The part number in the same line hints at the market too: the letters before the slash at the end mark the region, for example LL/A for the US. But matching the A-xxxx model number against Apple’s specs is more reliable, since it shows both the SIM setup and the supported networks.
Can I use an eSIM-only iPhone 17 with my home carrier?
An eSIM-only iPhone 17 works with your home carrier as long as the carrier issues eSIMs. Most major carriers do, and they can move your number from a physical SIM to an eSIM, in store or through their app. The process and terms vary from carrier to carrier, so check before you buy the phone.
The main hassle with a tray-less iPhone is that you can’t just pop the plastic SIM over from your old phone. If your number is still on a physical card, budget time for the switch. If your carrier is Russian, we cover how MTS, Beeline, MegaFon, T2 and Yota issue eSIMs in a separate article.
How many eSIMs can an iPhone 17 hold?
The iPhone 17, iPhone Air, iPhone 17 Pro and Pro Max run two active lines at once, like every iPhone since the 13 series. You can store several eSIM profiles on the phone and switch any two of them on. On the “SIM + eSIM” version, the active pair can be a physical SIM plus an eSIM, or two eSIMs.
For travel, that means one thing: whichever iPhone 17 you pick, your home number and a travel eSIM fit side by side. How to split calls, texts and mobile data between two lines is covered in our guide to living with two lines.
Which iPhone 17 version is best for travel?
Any version of the iPhone 17, iPhone 17 Pro and Pro Max works with a travel eSIM, as long as the phone isn’t carrier-locked. The setup is always the same: your home number stays on line one, on a physical SIM or an eSIM, and takes calls and texts, while the travel eSIM goes on line two and handles mobile data.
| Your situation | Better version | Why |
|---|---|---|
| Home number on a physical SIM and you don’t want to move it | SIM + eSIM | The plastic SIM stays in the tray and the travel eSIM takes line two |
| Your carrier already gave you an eSIM, or you’re happy to switch | Any, including eSIM only | Both lines are digital and two active eSIMs are supported |
| You travel a lot and buy local physical SIMs | SIM + eSIM | You have somewhere to put a local plastic SIM |
| Battery life on the iPhone 17 Pro or Pro Max matters most | eSIM only | According to Apple, this version has a bigger battery |
MoreSim plans are mobile data only, with no phone number: on the road you call through messaging apps where they aren’t restricted, and texts from your bank keep arriving on your home number on line one. A MoreSim plan starts counting on first connection in the destination, so you can install the eSIM at home before you leave.
iPhone 18 Pro and iPhone Duo: SIM tray or eSIM only?
On September 9, 2026, Apple announced the iPhone 18 Pro, the iPhone 18 Pro Max and the foldable iPhone Duo; there was no regular iPhone 18 at that event. According to Apple at the announcement, the iPhone 18 Pro and Pro Max are eSIM only in the same 12 countries and territories as the iPhone 17 Pro, and keep a nano-SIM tray plus eSIM everywhere else, Europe included. The iPhone Duo is eSIM only in every country. All three run two active eSIMs, so a travel eSIM goes on line two just like on the iPhone 17.
Rule of thumb: when buying any new iPhone, look at the country version, not the model name. That’s what decides whether the phone has a SIM tray, and it’s the first thing to ask the seller. For the base iPhone 18 and later models Apple hasn’t published specs for yet, the check is the same: the tray on the frame, the model number in Settings, the EID and the Carrier Lock line.
FAQ
What’s the difference between iPhone 17 Pro SIM + eSIM and eSIM only?
The “SIM + eSIM” iPhone 17 Pro has a tray for one nano-SIM and also supports eSIM, while the “eSIM only” version has no tray at all. According to Apple at the September 2025 announcement, the tray-less Pro models got a bigger battery thanks to the freed-up space. Everything else about connectivity is the same: both versions run two active lines.
Can I use an eSIM-only iPhone 17 with my carrier?
Yes, as long as your carrier issues eSIMs. Most major carriers do, and moving your number from a physical SIM to an eSIM is handled by the carrier, in store or through its app — check the exact process with yours. You can’t put a plastic SIM into an eSIM-only iPhone, so sort out the switch before you start using the phone.
Which iPhone 17 is better for travel: SIM + eSIM or eSIM only?
Any version of the iPhone 17, 17 Pro or Pro Max works with a travel eSIM: your home number stays on line one and the travel eSIM goes on line two. The “SIM + eSIM” version is handier if your home number is on a physical SIM and you’d rather not move it. The “eSIM only” version is fine if your carrier has already given you an eSIM.
Does the iPhone 17 Pro Max support two eSIMs?
Yes. The iPhone 17 Pro Max, like every iPhone since the 13 series, supports two active eSIMs at the same time. You can store several eSIM profiles on the phone, but only two lines are active at once. This is the same for the versions with and without a SIM tray.
How do I tell if my iPhone 17 has a SIM tray or is eSIM only?
The quickest check is the side of the phone: the “SIM + eSIM” version has a tray with a tiny pin hole, the “eSIM only” version doesn’t. If the phone isn’t in your hands yet, ask the seller for the model number from Settings → General → About and compare it with Apple’s specs for the country it was made for.
Will the iPhone 18 Pro have a SIM tray or be eSIM only?
It depends on the country. According to Apple at the September 9, 2026 announcement, the iPhone 18 Pro and Pro Max are eSIM only in 12 countries and territories, including the US, Canada, Mexico, Japan and the Gulf states, while in Europe and most other countries they keep a nano-SIM tray plus eSIM. You check a specific phone the same way as an iPhone 17: by the tray on the frame and the model number in Settings.