eSIM QR Codes: The 4 Places to Check Before Takeoff

What an eSIM QR code contains and why it exists

A QR code for eSIM activation is not just a picture. It encodes an activation code that includes an SM-DP+ server address and a matching ID, the two pieces your phone needs to securely find and download your digital SIM profile. This structure comes from the SGP.21 eSIM Consumer Architecture standard; it defines how remote SIM provisioning works across devices and carriers.

Providers use QR codes because they automate a process that used to involve typing long strings of numbers by hand. Scanning removes the chance of a mistyped character breaking your activation.

That said, QR codes aren't the only path anymore. A growing number of carriers and devices support in-app or operating-system-level transfers that skip the scan step entirely.

• The QR encodes your SM-DP+ address and matching ID in one scannable image.
• Scanning avoids manual entry errors that can stall activation.
• Some carriers now offer app-based or OS-level provisioning as an alternative.

How to get an eSIM QR code from your provider

Most providers send your QR code the moment your purchase goes through, but where it lands depends on how you bought your plan.

1. Check your order confirmation email first. Most eSIM providers attach the QR code directly or link to a secure page where it's displayed.
2. Log into your account dashboard if you created one during checkout. Look for a section labeled "My eSIMs," "Orders," or "Activation."
3. Open the provider's app if one exists. Many apps store your QR code and activation details under an orders or downloads tab.
4. Watch for a printable PDF or an SMS link, which some providers use as a backup delivery method alongside email.

Before you buy, confirm two things: that you'll actually receive a QR code or activation code after payment, and that your phone is compatible with eSIM technology. Skipping this check is the most common reason travelers end up stuck the night before a flight.

If you never received your QR code, don't assume it's lost. Contact support and ask them to resend it or issue a fresh activation code. Have your order number ready, along with your phone's IMEI and EID if support asks for them. These identifiers let a provider confirm your device is eligible and reissue the correct profile without creating confusion with a different order.

Where to find your eSIM QR code after purchase

Once you've bought a plan, the QR code usually lives in one of three places. Start with your inbox, since most providers send it within minutes of checkout.

• Search your email for the order confirmation, which often includes the QR image or a secure link to view it.
• Log into your account page and look for "My eSIMs" or an order history section with a download option.
• Open the provider's app and check the orders or downloads screen if the email didn't include the code directly.

If the QR code is sitting on the same phone you need to activate, you'll need to get it onto a second screen. Open the email or account page on a laptop or tablet, or print the code on paper so your phone's camera has something external to scan.

Pro Tip: Save a screenshot of your QR code before your trip, in case you lose signal or access to your email once you land.

How to check whether your phone supports eSIM and is ready

Not every phone can use an eSIM, and not every eSIM-capable phone is ready to activate one. A few quick checks save you from a failed scan later.

• Many recent phones support eSIM technology, though availability varies by model and region, so check your device settings or manufacturer's support page to confirm your exact model.
• Confirm your phone is unlocked if you're switching providers, since a locked device tied to one carrier may block a new eSIM profile from installing. Our guide on using an eSIM on a locked phone walks through what to check before you travel.
• Find your phone's IMEI by dialing *#06# or checking Settings, and find your EID under the same cellular or About Phone menu if your device has one. Support teams often ask for both when troubleshooting or verifying eligibility.

You can also run your specific model through our device compatibility checker before buying a plan, which saves a step if you're unsure whether your phone qualifies.

Scan and activate an eSIM QR code on iPhone

iPhone's setup flow is consistent across most recent models, though menu names shift slightly between iOS versions.

1. Open Settings and tap Cellular (or Mobile Data, depending on your region).
2. Tap "Add eSIM," then choose "Use QR Code."
3. Point your camera at the QR code and wait for your phone to recognize it automatically.
4. Follow the on-screen prompts to confirm the carrier plan and finish the download.
5. When asked, label the new line (for example, "Travel" or "Data") and choose whether it's your primary or secondary line for calls, texts, and data.
6. Once installed, enable the new profile under Cellular settings if it isn't already active.

Apple's own support documentation outlines this Add eSIM flow and notes that the operating system handles most of the carrier provisioning automatically, which cuts down on manual steps compared to older activation methods.

After installation, run a quick test before you rely on the line. Turn on mobile data and confirm you have a signal, send a text message, make a short call if your plan supports voice, and test your hotspot if you plan to share the connection with another device. Testing all four functions right after installation takes a few minutes and catches most problems before they become travel-day emergencies.

Scan and activate an eSIM QR code on Android

Android's menu structure varies more by manufacturer than iPhone's does, but the core steps are similar across brands.

1. On Samsung devices, go to Settings, then Connections, then SIM Manager, and tap "Add eSIM."
2. On Google Pixel phones, go to Settings, then Network & Internet, then "Add eSIM" or "Add Carrier," depending on your Android version.
3. Choose "Scan QR Code" when prompted and point your camera at the code.
4. Wait for your phone to detect the carrier information and confirm the plan details shown on screen.
5. Name the new eSIM line and choose your preferred settings for data, calls, and texts if you're running dual SIMs.
6. If scanning doesn't work, look for a "Enter Activation Code Manually" option within the same menu and type in the code your provider sent.

Google's Pixel support documentation confirms that some Pixel models also support transferring an eSIM profile directly from another device without scanning anything, which is worth checking if you're upgrading phones rather than starting fresh. Carrier support pages, including Virgin Plus's Android eSIM guide, show similar menu paths with manual activation as a built-in fallback.

Android OS versions matter here. Older builds sometimes lack the "Add eSIM" option entirely, so confirm your phone has a recent software update installed before assuming compatibility is the problem.

Install an eSIM without a QR code: activation codes and transfers

Scanning isn't the only way to activate an eSIM, and for some situations, it isn't even the intended method.

• To enter an activation code manually, open your phone's "Add eSIM" menu and look for an option like "Enter Details Manually," where you'll paste the SM-DP+ address and matching code your provider gave you.
• Providers typically send a text-based activation code instead of a QR image when you're reinstalling a profile on the same device or when the QR has already been used once.
• If you need an activation code rather than a QR, ask support directly, referencing your order number so they can confirm which version you need.
• Some devices support OS-level transfers, letting you move an eSIM from an old phone to a new one during device setup without contacting your provider at all, though this depends on both devices and the carrier involved.

Paste activation codes into a plain-text app first if you're copying from an email, since smart quotes or extra spaces sometimes slip in and break the entry.

Diagnose scan failures and installation errors quickly

Most eSIM activation problems trace back to one of a handful of causes, and checking them in order saves time.

• Confirm you have an active internet connection, since your phone needs data or Wi-Fi to complete the profile download even after a successful scan.
• Make sure your phone is unlocked if you're switching away from your current carrier.
• Double-check you're scanning the QR code tied to the correct order, especially if you have multiple eSIM purchases in your inbox.
• Verify the code hasn't already been used. T-Mobile's prepaid eSIM support page notes that these codes are generally single-use, so a second scan after a successful install will typically fail.
• Check the image quality if you're scanning from a screen or printout, since glare or a blurry photo can prevent your camera from reading the code.

If the QR code is on the same phone you're trying to activate, you'll need a workaround. Open the code on a second device, take a screenshot and scan it with a gallery-based tool like Google Lens, or print it on paper.

Before contacting support, gather your order number, your phone's IMEI and EID, and a screenshot of any error message you're seeing. This information lets support diagnose the issue faster than describing it from memory. For a deeper troubleshooting walkthrough, see our guide on what to do if your travel eSIM isn't working.

Pro Tip: If scanning keeps failing after three attempts, switch to manual activation code entry rather than repeating the same scan.

Switching, deleting and transferring eSIM profiles

Once you have more than one eSIM installed, managing them is straightforward from your phone's cellular settings.

• Toggle between profiles and set a default line for data and voice calls under your cellular or SIM manager menu.
• Delete a profile when you no longer need it, which frees up a profile slot since most phones support only a limited number of active eSIMs at once.
• If you're switching phones, check whether your provider supports a direct transfer or requires you to request a new profile for the new device, since this varies by carrier and isn't always automatic.

A traveler's take on preflight eSIM setup

I've installed eSIMs in airport lounges with five minutes before boarding, and I've installed them at home with a cup of coffee and no deadline. The second way is always better. Setting up your data plan before you leave means you land, turn on your phone, and you're connected, no searching for Wi-Fi to download a profile in an unfamiliar terminal.

My practical rule: install your eSIM at least a day before departure, confirm it's working while you're still on home Wi-Fi, and keep your old SIM or a backup plan active until you've verified data, calls, and texts all work, and always set a telco PIN beforehand for better protection during travel to prevent unauthorized use (eSIM Security for Travelers: Set a Telco PIN Before You Fly). For more on timing, see our piece on when to install your travel eSIM.

— Carl

Why WayfarerSIM makes preflight setup simple

We built our service around the idea that you shouldn't have to gamble on connectivity the moment you land. Our service shows per-GB pricing and plan terms before you pay, so there are no surprise fees once you're already abroad, and the QR code is delivered by email after purchase, with no account required.

Our plans cover many destinations, from single-country options to broader regional coverage. If you're headed to multiple countries, our global eSIM plans cover options like Global 3 GB, Global 10 GB, and Global 20 GB over 30 days, plus a Global 20 GB option valid for 365 days. Traveling within Europe, our Europe eSIM plans include fixed-data and unlimited options. Heading to Asia, Africa, or Latin America, we have Asia plans, Africa plans, and Latin America plans with similar tiers.

Getting started takes three steps:

• Pick your destination and data amount on our site before you pack.
• Check out and receive your QR code by email within minutes.
• Install it on home Wi-Fi so it's ready the moment you land.

If you want to double-check your phone qualifies first, our device compatibility page walks you through it. Browse our full plan catalog to find your destination and get connected before you fly.

FAQ

Does T-Mobile have a QR code for eSIM activation?

Yes, T-Mobile provides eSIM activation through a QR code for prepaid and postpaid lines, along with manual activation code entry as a fallback. Details on the process are available through T-Mobile's prepaid eSIM activation support page.

Can I convert my physical SIM card to an eSIM?

Converting a physical SIM to an eSIM is possible with many carriers, but the process and availability depend on your specific provider and device. Google's Pixel support documentation notes that some carriers handle this conversion through their own app or account settings rather than a universal method.

What is eSIM?

An eSIM is a digital SIM profile built into your phone's hardware, letting you activate a mobile plan without inserting a physical card. Activation works through an encoded QR code or activation code that carries the SM-DP+ address your device needs to download the profile, as defined in the GSMA SGP.21 standard.

How do I transfer my eSIM to a new Android phone?

Some Android devices support a direct eSIM transfer during setup, moving your profile from your old phone to your new one without a new QR code. Google's Pixel support page confirms this option on compatible models, though availability depends on both your old and new device along with your carrier.

What should I do if my eSIM QR code has expired or won't scan?

A QR code that won't scan is often already used, since most eSIM activation codes are single-use once installed successfully. Contact your provider with your order number to request a fresh code or ask for manual activation details instead.

Sources

• SGP.21 eSIM Consumer Architecture v2.6 (GSMA)
• Use an eSIM on iPhone (Apple Support)
• Set up eSIM and transfer eSIM profiles (Google Pixel support)

Recommended

• Travelers: 3 Fast Ways to Activate an eSIM Before You Fly
• Buy and Install an eSIM Without ID in 15 Minutes Before Your Flight
• Check if your phone supports a travel eSIM
• Travelers: 3 Checks Before You Rely on a Multi Country eSIM