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Does the Xiaomi 15 Ultra support eSIM?
Yes, the Xiaomi 15 Ultra supports eSIM. All models of the Xiaomi 15 Ultra ship with eSIM capability built in, regardless of the region where you purchase the device.
Xiaomi 15 Ultra eSIM compatibility
The Xiaomi 15 Ultra offers dual SIM functionality: one physical nano-SIM slot plus eSIM support. You can use both simultaneously, letting you keep your primary number on the physical SIM while adding a second line via eSIM—ideal for separating work and personal calls, or for travel data plans. The device does not support dual eSIM profiles active at the same time; you'll always need the physical nano-SIM installed if you want two active numbers.
Xiaomi has confirmed eSIM support across all regional variants of the 15 Ultra, including models sold in China, Europe, and other markets. This is a change from some earlier Xiaomi flagships where eSIM was limited to specific regions or absent entirely. If you're considering the Xiaomi 14 Ultra, note that eSIM availability varied by market on that model, so the 15 Ultra represents broader compatibility.
How to set up an eSIM on the Xiaomi 15 Ultra
Setting up an eSIM on the Xiaomi 15 Ultra takes about 60 seconds once you have your QR code from your carrier or eSIM provider. Xiaomi's HyperOS interface makes the process straightforward.
Step-by-step eSIM activation
- Open Settings and tap SIM cards & mobile networks.
- Tap Add eSIM or Add mobile plan (wording may vary slightly depending on your HyperOS version).
- When prompted, tap Scan QR code and point your camera at the QR code provided by your eSIM carrier.
- Confirm the plan details and tap Add or Download.
- Wait while the eSIM profile installs—this usually takes 10–30 seconds.
- Once installed, label the eSIM line (e.g., "Travel" or "Work") so you can distinguish it from your physical SIM.
- Choose which SIM to use for mobile data, calls, and SMS in the SIM settings menu.
If your eSIM provider offers an activation code instead of a QR code, tap Enter activation code manually in step 3 and type in the code string. The Xiaomi 15 Ultra will download the profile the same way.
Managing dual SIM lines
After activation, you can control which SIM handles data, calls, and messages. Go to Settings > SIM cards & mobile networks and tap Default SIM for mobile data to pick your eSIM or physical SIM for internet. You can toggle between them anytime—useful if you want to use a local travel eSIM for data while keeping your home SIM active for incoming calls and two-factor authentication texts.
Using a travel eSIM on the Xiaomi 15 Ultra
A travel eSIM is the easiest way to get mobile data abroad without paying roaming fees or hunting for a local SIM card. You buy a data plan online, install the eSIM profile on your Xiaomi 15 Ultra before you fly, and activate it when you land. No need to swap out your physical SIM or visit a store.
Why travellers prefer eSIM
With the Xiaomi 15 Ultra eSIM support, you can keep your home number active on the physical SIM for calls and messages while routing all data through the travel eSIM. This means you won't miss important calls or SMS verification codes, and you'll avoid surprise roaming charges on your home plan. Install the eSIM profile while you're still on Wi-Fi at home or at the airport, then flip on data roaming for the eSIM line once you're at your destination.
You can browse eSIM plans for hundreds of countries and regions, comparing coverage and data allowances to find the right fit for your trip. Many plans activate automatically when your phone detects the local network, so you'll have data the moment you step off the plane.
Tips & troubleshooting
Most Xiaomi 15 Ultra eSIM installations go smoothly, but a few settings tweaks can save you hassle.
Turn on data roaming for your eSIM
Even though your travel eSIM is a local plan in the country you're visiting, the Xiaomi 15 Ultra may treat it as "roaming" from a settings perspective. Go to Settings > SIM cards & mobile networks, tap your eSIM line, and make sure Data roaming is toggled on. If it's off, you won't get any data connection. Your home SIM can stay with roaming off to avoid accidental charges.
Keep your home SIM active for calls and 2FA
Leave your physical SIM in the slot and set it as the default for voice calls and SMS. That way, you'll receive two-factor authentication codes and can answer calls on your regular number without switching SIM profiles. Just make sure mobile data is assigned to the eSIM to avoid roaming data fees on your home carrier.
What to do if the QR code won't scan
If the camera struggles to read the QR code, try increasing screen brightness (if you're scanning from another device), holding the phone steady, or using the manual activation code option instead. Poor lighting or a blurry printout can cause scan failures. You can also get eSIM setup help if you're stuck—sometimes a provider will resend a fresh QR code if the original has expired.
If you're curious about other devices, you can check another device's eSIM compatibility to compare options before your next upgrade.
Xiaomi 15 Ultra features beyond eSIM
The Xiaomi 15 Ultra includes flagship-grade hardware: wireless charging, a high-resolution camera system (the Photography Kit accessory adds pro-level lens controls and grip), and robust 5G support. These features, combined with Xiaomi 15 Ultra eSIM capability, make it a strong choice for frequent travellers who want both cutting-edge photography and flexible connectivity. Discussions on forums like Reddit often highlight how the dual SIM setup pairs well with travel eSIMs for international trips, especially for users who previously relied on the Xiaomi 14 Ultra and wanted broader eSIM availability.
