How to Install an eSIM: Step-by-Step Guide for iPhone and Android (2026)
Most people overthink eSIM installation. The actual process takes three to five minutes, requires nothing more than a Wi-Fi connection, and doesn’t involve touching your physical SIM card. What causes confusion is that the steps differ slightly between iPhone and Android, and between providers. This guide walks through both, plus the most common problems people run into and how to fix them.
Before You Start: What You Need
Before opening your phone settings, make sure you have three things in place.
A compatible device. Not every phone supports eSIM. On iPhone, compatibility starts with the XS and XR (2018). The iPhone 14 and newer in the US are eSIM-only with no physical SIM tray at all. On Android, it depends entirely on the model: most flagship Samsung Galaxy devices since 2019 support it, Google Pixel 3 and later support it, and OnePlus, Motorola, and Xiaomi have added support on select models. If you’re not sure, search your exact model name and “eSIM support.”
A Wi-Fi connection. The initial activation requires internet. You don’t need your existing SIM card active, but you do need Wi-Fi for the profile to download. Once installed, the eSIM works on its own.
A purchased eSIM plan. You need to have bought a plan from a provider before starting the installation. The provider will send you either a QR code image or, for some carriers, a set of manual entry codes. Both methods end up in the same place.
You do not need to remove your existing SIM card. eSIM and physical SIM coexist on any dual-SIM capable device, which is most modern smartphones.
How to Install an eSIM on iPhone
Step 1: Buy your plan and retrieve the QR code
After purchasing from a provider like Airalo or Holafly, you’ll receive an email with a QR code attached. Save that image, or keep the email open on a second device. You cannot scan a QR code on the same screen displaying it, so either use another phone, a laptop, or print it.
Some providers also offer in-app installation that skips the QR code scan entirely. Airalo and Holafly both have this option. If you’re using their app, skip to step 4.
Step 2: Open Settings and navigate to eSIM
Go to Settings on your iPhone.
- On iOS 17 and later: Settings > Cellular > Add eSIM
- On iOS 16 and earlier: Settings > Cellular > Add Cellular Plan
If you’re on a carrier-locked iPhone, you may not see the “Add eSIM” option. Contact your carrier first to unlock the device.
Step 3: Scan the QR code
Tap “Use QR Code” and point your camera at the QR code from your other device or printed copy. The code scans instantly when held steady.
If scanning doesn’t work, tap “Enter Details Manually” instead. The provider’s confirmation email should include a SM-DP+ address and an activation code. Enter both fields exactly as shown, including hyphens.
Step 4: Confirm and label the plan
iPhone will ask you to confirm the download. After confirming, it prompts you to label the plan. Use something you’ll recognize later like the country name or provider name. This label shows up in Settings and in the status bar when switching between lines.
Step 5: Set your data preferences
After the plan installs, iPhone asks which line to use for calls, messages, and cellular data. For travel eSIMs, set the eSIM as your cellular data line. Keep your home SIM active for calls and SMS if you want to receive them abroad. Under Settings > Cellular, you can toggle “Allow Cellular Data Switching” if you want the phone to fall back to your home SIM when the travel eSIM has no signal.
Your eSIM is now installed. It activates automatically once your plan’s start date arrives, or immediately if you purchased a plan that activates on first use.
How to Install an eSIM on Android
The path through settings varies by manufacturer, but the end result is identical across all Android devices.
Samsung Galaxy
Go to Settings > Connections > SIM card manager > Add eSIM. On newer One UI versions (4.0+), you may see it listed as “Add mobile plan” instead. Tap that, then choose “Scan carrier QR code.” Point the camera at your QR code. Samsung will confirm the download, then show the plan as a second SIM in your manager.
To set it as your data SIM: Settings > Connections > SIM card manager > toggle your eSIM as the preferred data SIM.
Google Pixel
Go to Settings > Network and internet > SIMs > Add a SIM. Tap “Download a SIM instead” at the bottom of the screen. Pixel gives you the option to scan a QR code or enter an activation code manually.
Pixel devices from Pixel 6 onward also support eSIM transfer when switching from one Pixel to another, which is useful to know for future device upgrades.
Other Android Devices
For Motorola: Settings > Network and internet > Mobile network > Advanced > Carrier (add)
For OnePlus: Settings > Mobile network > SIM management > Add eSIM
For Xiaomi: Settings > SIM cards and mobile networks > Add eSIM
Regardless of the path, you’re looking for something labeled “Add eSIM,” “Download SIM,” or “Add mobile plan.” If you see a QR code scanner, you’re in the right place.
How to Switch Between eSIMs
Once you have more than one eSIM installed, switching is quick.
On iPhone: Settings > Cellular, then tap the line you want to activate and toggle “Turn On This Line.” Only one eSIM can be active for data at a time, but both can be installed and ready to switch.
On Android: Settings > Network and internet > SIM card manager (or equivalent), then set the preferred SIM for data, calls, and SMS independently.
A practical setup for frequent travelers: keep your home SIM or eSIM installed but set to calls and texts only. Switch the data line to your travel eSIM when you land. Switch back when you return. No reinstallation needed unless your plan expires.
eSIM Troubleshooting: Common Problems
QR code won’t scan. The most common cause is screen brightness. Turn the screen with the QR code to full brightness and hold the scanning phone at about 20-25 cm distance. If that doesn’t work, enter the activation code manually.
“eSIM not supported” message. Your device may be carrier-locked. Contact your current carrier and ask them to unlock it for international use. Some carriers do this for free after 12 months of service.
Activation stuck on “Pending.” This usually resolves itself within 15-30 minutes. If not, try toggling airplane mode on and off, or restarting your phone. Make sure you’re on Wi-Fi during activation. If it stays pending for more than an hour, contact the provider’s support.
No signal after installation. Turn airplane mode on for 30 seconds, then off. This forces the device to re-register on the network. If your plan hasn’t started yet (some plans activate on the start date you set at purchase), there’s nothing to connect to until that date arrives.
“Maximum SIM cards reached.” iPhones can hold up to 8 eSIMs but only 2 active at once. If you’ve hit the limit, go to Settings > Cellular and delete an old eSIM you no longer need. Android limits vary by device, typically 5-10 stored profiles.
Wrong country or region selected. A few providers ask you to select your destination country during purchase. If you’re getting no signal because you selected the wrong country, contact the provider to reissue the plan.
Which Provider Should You Install?
The installation process is identical regardless of provider. What varies is coverage, pricing, and data limits. For most destinations, Airalo has the widest selection of country-specific plans, while Holafly offers unlimited data in 180+ countries for travelers who use a lot of data. For multi-country trips across Asia, Nomad has strong regional plans that cover multiple countries on a single purchase.
If you’re choosing a provider for the first time, the digital nomads guide breaks down the differences for heavy data users, and the eSIM vs SIM card comparison covers whether an eSIM is even the right choice for your trip.
Bottom Line
The install process sounds more complicated than it is. Scan a QR code, confirm the download, set the data line, done. The only genuine friction points are carrier-locked devices and QR codes you can’t scan because you’re looking at them on the same phone you’re setting up. Both are easy to work around once you know they exist.
If your provider’s app supports direct installation, use that instead of the QR code method. It cuts the steps in half and removes the screen-to-screen scan entirely.
