eSIM questions, answered

If it is an iPhone XR or XS (released late 2018) or newer, yes, including every iPhone 17, iPhone Air, iPhone 17e, iPhone 18 Pro and iPhone Duo. iPhone Air and iPhone Duo are eSIM-only everywhere; iPhone 17, 17e and 18 Pro models are eSIM-only in the US, Canada, Mexico, Japan and a few other countries, and iPhone 14 to 16 models in the US. The exception is mainland China: most China-model iPhones have no eSIM; only the China-model iPhone Air, 17e, 18 Pro, 18 Pro Max and iPhone Duo support it, with Chinese carriers.

Google Pixel 3 or newer, and Samsung Galaxy S20 or newer, all have eSIM hardware. OnePlus 11, Motorola Razr series, recent Sony Xperia, and global Xiaomi 13 also support it. The catch on Samsung: US carrier-locked Galaxy phones sold by Verizon, AT&T, and T-Mobile often have the eSIM feature disabled in software, even when the hardware supports it. Unlocked international Galaxy models from Samsung.com have full eSIM.

Three ways. On iPhone: Settings, General, About; scroll to Available SIMs or Digital SIM. If you see an EID number, you have eSIM. On Pixel: Settings, Network and internet, SIMs; if Download a SIM appears, you have eSIM. Universal trick on any phone: open the dialer and type *#06#. If the screen shows two IMEI numbers or an EID line, your phone has eSIM hardware.

Yes. This is dual SIM. Modern phones support one physical SIM plus one eSIM active simultaneously. iPhone 13 and newer (and the iPhone SE 3rd gen) can also run two eSIMs at once, which is how eSIM-only iPhones (iPhone Air, iPhone Duo, and models bought where Apple sells them without a SIM tray) keep a home line and a travel line. The standard travel setup: home line on the physical SIM (or as a home eSIM) for calls and SMS, travel eSIM for data, data roaming off on the home line.

Cellular iPad, iPad Pro, iPad Air, and iPad mini from 2018 onward support eSIM (Wi-Fi-only iPads have no cellular at all). Cellular Apple Watches use eSIM exclusively, but the eSIM is provisioned through your iPhone carrier; third-party travel eSIMs do not work on Apple Watch. Modern Windows laptops with 5G or LTE cellular options (Surface, ThinkPad X1, Dell Latitude 9000) also support eSIM.

It varies by destination and data size. In the weekly provider feeds behind our destination pages (read Oct 19, 2026 or later), the cheapest plan with at least 1 GB that lasts a week or more costs $2.95 to $2.99 across Japan, the UK, Italy, Thailand and Mexico, and the cheapest with at least 5 GB for 30 days or more $5.50 to $11.00. Less popular destinations and small islands run higher. Each destination page lists every plan we track, with the date its prices were read.

Almost always. For a 14-day trip, Verizon TravelPass costs $168 (14 days at $12), and AT&T's International Day Pass $120 if the trip stays within one bill period ($12 a day, at most 10 charges per bill; up to $168 if it crosses into a new one). The cheapest Japan plan with at least 10 GB for 14 days or more in our weekly feeds (read Oct 20, 2026) is GoMoWorld 14 GB / 30 days at $12.99, about 92 percent less than TravelPass. Exception: a trip of a day or two, where one or two $12 day passes cost little and installing an eSIM is not worth the bother.

Yes, but read the fine print. Most unlimited plans mean unlimited at full speed up to a threshold (often 20-30 GB), then throttled to 2G/3G after that. True no-throttle unlimited exists from a few providers but costs significantly more ($50-100+ per month). For most travelers a generous fixed plan (10-20 GB) is more cost-effective than unlimited. For heavier needs (digital nomad, remote work), look at high-cap plans (50-100 GB) over true unlimited.

Most eSIM providers let you top up instantly through their app or website. You usually get a notification at 80 percent usage. Top-ups are added to the same eSIM profile within seconds; no new install needed. Alternative: install a backup eSIM from a different provider and switch over. The best practice is to monitor usage daily in the provider's app and top up before you run out, especially for trips longer than a week.

Refund policies vary by provider. Most plans are non-refundable once the QR code is delivered, similar to other digital products. If the QR has not been installed or activated, some providers offer refunds within 24 to 48 hours. If a technical issue prevents activation, reputable providers issue a new QR code or refund. Always read the provider's policy before purchase. We track refund-window length as part of each provider's score on the provider pages.

No. Travel eSIM plans are prepaid one-time purchases with a fixed validity window. Once data runs out or the window expires, service stops. You buy a new plan or top-up manually. No surprise charges, no forgotten subscriptions, but no convenience either. Set a calendar reminder for a few days before expiry if you need to top up.

About two minutes once you have the QR code. Scan the code, the profile downloads over Wi-Fi in 10 to 30 seconds, you label the line and configure dual SIM, and the install is done. Network activation when you turn the line on can take another minute or two to register on the local carrier. Plan to install at home before your trip, not at the airport, because the install needs reliable Wi-Fi.

Install at home, but leave the line toggled off until you land. Almost every travel eSIM starts its validity window the moment the line goes active on your phone, not the moment you install the profile. If you scan the QR five days before your trip and forget to turn the line off, you have burned five days of a fourteen-day plan. A few providers (Holafly, certain Saily plans) start the timer at purchase regardless; their confirmation email will say so.

Three things in order. First, screenshot the QR code from your email, open it on a second device or computer full-screen, then scan from there. Second, switch to manual entry: most providers include an SM-DP+ address and an activation code below the QR image. Third, ask the provider to reissue the code. Travel eSIM QR codes are single-use, so do not scan repeatedly if a step fails.

Probably not. Phones bought on US carrier installment plans are usually locked. Locked phones refuse third-party eSIMs. Verizon unlocks a phone automatically once it is paid in full; T-Mobile after 40 days of service with the phone paid in full; AT&T once the phone is paid off and more than 60 days old, on request (many Apple, Samsung and Google phones unlock automatically). Once unlocked, the phone accepts any eSIM.

No. Leave it installed; there is no monthly fee for a dormant profile. Many travelers keep eSIMs from countries they revisit (Japan, UK, etc.) and just top up the same line next trip. If you want to clean up, go to Settings, Cellular (or SIMs), tap the line, choose Remove eSIM. Apple says an iPhone can store eight or more eSIMs; limits on Android phones vary by model.

Only the countries in your plan's coverage list. Single-country plans work only in that country. Regional plans cover 20 to 40 countries (e.g., a Europe plan covers 30+ European countries). Global plans cover 100+ countries. Check the provider's coverage list for your exact destinations before buying. For multi-country trips, regional plans are almost always cheaper than buying separate plans for each country.

Yes, if three conditions are met. Your phone must have 5G hardware (iPhone 12 and newer, recent Pixel and Galaxy flagships). The eSIM provider's local partner network must offer 5G in your destination. Your plan must include 5G access (some budget plans cap at 4G/LTE). 5G is common in major cities across the US, Europe, Korea, and Japan, less common elsewhere. For most travel use (maps, messaging, browsing), 4G/LTE is more than enough.

Coverage piggybacks on a local carrier's network. In most countries, the eSIM provider partners with one or two of the major carriers, so practical coverage is the same as if you bought their SIM. Rural areas with weak coverage from those carriers will have the same weak coverage on the eSIM. The exceptions are remote regions served only by smaller carriers the eSIM provider does not partner with. Carrier maps for each provider are usually published on the provider page.

Most travel eSIMs do not work at sea, only when the ship is in port and connected to a land-based network. For at-sea coverage you need either the ship's own (very expensive) Wi-Fi, a dedicated cruise eSIM that supports maritime satellite, or you wait until port. We have a dedicated guide to cruise-ship eSIMs that covers the few providers offering maritime coverage.

Mainland China, North Korea, and a handful of other countries restrict or block third-party eSIM use. For mainland China, most China-market iPhones (model numbers ending in CH/A) have no eSIM hardware; on phones bought elsewhere, eSIM typically works but the great firewall blocks many apps you might want to use. For these destinations, research carefully or use a VPN strategy worked out before the trip.

Almost never. Travel eSIMs are data-only by default. You will not get a local number and you cannot place ordinary cellular calls from the eSIM line. WhatsApp, FaceTime, iMessage, Signal, and Google Voice all work fine over data. If you specifically need a local number (a hotel callback, a restaurant reservation), buy a local physical SIM at the destination, or use a provider that explicitly offers a voice add-on (rare, more expensive).

Not on the eSIM itself, because data-only travel eSIMs have no number. But yes via your home SIM: keep the home line active in its slot or as an eSIM, set data roaming off on it, and SMS keeps flowing to your real number. This is exactly the setup banks rely on for two-factor authentication codes during international travel. The home line costs nothing extra to receive SMS in most plans.

Most plans allow tethering, but some budget plans restrict it. Check the plan terms before purchase. iPhone: Settings, Personal Hotspot, Allow Others to Join. Android: Settings, Network and Internet, Hotspot and Tethering. One person buying a large plan and sharing via hotspot with family or coworkers is a common (and economical) setup. Monitor usage carefully; hotspot drains data fast.

Sometimes. eSIM Quick Transfer moves a line between iPhones during new-phone setup or via Settings, Cellular, Set Up Cellular or Add eSIM, Transfer From Nearby iPhone (Apple's current steps need iOS 18.4 or later on both phones). Carrier eSIMs (your home line) transfer most reliably; third-party travel eSIMs sometimes do not transfer cleanly. If a transfer fails, contact the provider for a replacement QR code; some charge a reissue fee.

Marginally. eSIM uses the same cellular radio as a physical SIM, so consumption is essentially the same. Running dual SIM (home line plus travel eSIM both active) adds 5 to 10 percent battery drain because the phone maintains two registrations. Toggle off the line you are not actively using to minimize this. Battery drain is much more affected by weak signal areas (the phone amplifies power to maintain connection) than by the type of SIM.

Walk through this in order. Confirm the line is toggled on in Settings. Confirm Data Roaming is on for the eSIM line (this is required for almost every travel eSIM, even though the name is misleading). Restart the phone (not just airplane mode). If still no signal, manually pick a network: Settings, Cellular, the eSIM line, Network Selection, turn Automatic off, pick the local carrier listed by the provider. Service usually returns within two minutes.

Two common causes. The provider may throttle after a fair-use threshold on unlimited plans; check the plan terms. Or the local carrier the eSIM uses may not have a fast roaming agreement with that provider in your area, even if the phone shows 5G. Run a speed test app. If results are well below the country's typical speeds, contact the provider with the test result. If you are on a metered plan and speeds are fine, the issue is elsewhere.

Usual culprits: cloud photo backup over cellular (iCloud Photos, Google Photos), app store auto-updates, video streaming in HD (1 hour of HD Netflix is roughly 3 GB), and hotspot use by other devices. On iPhone: Settings, Cellular shows per-app usage. Turn off Background App Refresh for non-essentials, set Cellular Data to Off for apps that should stay on Wi-Fi only, and disable auto-backup over cellular in your photo app.

Three possibilities, in likelihood order. The plan validity window has ended (check the provider's app for the expiration date). The plan has not been activated yet on the provider's side (some require a one-tap activation in their app, separate from the iPhone install). Or the eSIM profile is corrupted; deleting and reinstalling usually fixes it. If none apply, the provider needs to issue a new profile.

Reputable providers respond on in-app chat within a business day for most issues. If you are getting nothing back after 24 hours, escalate via email with a clear subject line and your order number. If still no response after 48 hours, dispute the charge with your credit card company; the threat of a chargeback usually accelerates a response. We track first-response and resolution times on test tickets quarterly as part of each provider's score.