Can I use two SIMs at the same time on Galaxy S25 Ultra?

Yes. Galaxy S25 Ultra supports Dual SIM — one physical SIM and one eSIM active simultaneously. This is ideal for keeping your home number while using a travel eSIM for data abroad. Go to Settings → Network & Internet → SIMs to manage both lines.

What if my eSIM is not connecting on Galaxy S25 Ultra?

Open LTE.app and tap Smart Coach. It checks your APN settings, data roaming toggle, and carrier connection automatically — even without mobile data. Most eSIM connectivity issues are fixed in under 60 seconds.

Android✓ eSIM CompatibleSamsung · 2025

How to Install an eSIM on Galaxy S25 Ultra

Q: Does Galaxy S25 Ultra support eSIM?

Yes, Galaxy S25 Ultra (2025) supports eSIM. Galaxy S25 Ultra supports eSIM with advanced SIM Manager and titanium build for travel durability.

Galaxy S25 Ultra supports eSIM with advanced SIM Manager and titanium build for travel durability. Follow the steps below to activate your LTE.app eSIM on Galaxy S25 Ultra in minutes.

Step-by-step eSIM installation — Galaxy S25 Ultra

Open Settings → Connections → SIM Manager → Add eSIM

Select "Scan QR code from service provider"

Scan the QR code from your LTE.app order confirmation

Follow the on-screen prompts to complete installation

Set as your data SIM when you arrive at your destination

Before you install — checklist

✓Your device is connected to Wi-Fi during installation

✓Your device is not carrier-locked (check with your carrier)

✓You have your LTE.app QR code ready (sent to your email after purchase)

✓You are running the latest Android version

✓You have enough battery (20%+) to complete setup

Tips for Galaxy S25 Ultra

Label your eSIM

After installing, label the plan in Settings → Network & Internet → SIMs → tap the plan → Label. Use "Travel Data" so you can switch easily.

Set data roaming on the eSIM

Go to your cellular settings and make sure data roaming is enabled for the eSIM line. Keep it off on your home SIM to avoid charges.

Activate when you land

The eSIM data plan starts counting when it first connects to a local network. Install at home, activate when you arrive.

Smart Coach on LTE.app

If your eSIM is installed but not connecting, open LTE.app and tap Smart Coach. It diagnoses connectivity issues step-by-step, even offline.

Get an eSIM for your Galaxy S25 Ultra

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Popular destinations for Galaxy S25 Ultra users

Browse eSIM plans by destination — or pick a trip length to see plans that cover your exact travel window.

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Frequently asked questions

Does Galaxy S25 Ultra support eSIM?

Yes, Galaxy S25 Ultra (2025) fully supports eSIM. Galaxy S25 Ultra supports eSIM with advanced SIM Manager and titanium build for travel durability.

How do I find eSIM settings on Galaxy S25 Ultra?

Go to Settings → Network & Internet → SIMs to access eSIM settings on Galaxy S25 Ultra.

Can I use two SIMs at the same time?

Most Android devices support dual SIM — one physical SIM and one eSIM active simultaneously. This is ideal for keeping your home number active while using a travel data eSIM.

What if my eSIM is not connecting?

Open LTE.app and tap Smart Coach. It will walk you through APN settings, roaming toggles, and carrier-specific fixes step by step — even if you have no mobile data.