Microsoft Surface Duo and Duo 2
The Surface Duo and Surface Duo 2 each take one eSIM and one nano-SIM. AT&T-locked Surface Duo phones don't support eSIM. Microsoft has also ended Android updates for the original Duo.
Last updated
- eSIM slots1
- Physical SIMYes
- eSIM-onlyNo
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Microsoft's dual-screen Surface Duo phones run Android and support eSIM. The AT&T-locked original Duo is the exception.
Key Takeaways
- Both Duo phones pair an eSIM with a nano-SIM.
- AT&T-locked Duos can't use eSIM.
- Windows Surface devices have a separate guide.
Does the Surface Duo Support eSIM?
Yes. The Surface Duo and Duo 2 each take one eSIM and one nano-SIM. Microsoft says the AT&T-locked Surface Duo won't support eSIM. The original Duo no longer gets Android updates, so a current phone may be more reliable for long trips.
Surface Duo Models and eSIM Compatibility
| Model | eSIM Slots | Physical SIM | eSIM-Only | Released |
|---|---|---|---|---|
| Surface Duo | 1 | Yes | No | 2020 |
| Surface Duo 2 | 1 | Yes | No | 2021 |
Checked November 2026 against manufacturer pages and GSMArena spec listings.
How to Activate eSIM on Surface Duo
- Open SIM settings. Go to Settings → Network & internet → SIMs.
- Add a SIM. Tap the + icon, then Download a SIM instead. Wording varies slightly by Android version.
- Scan the QR code. Connect to Wi-Fi and scan the QR code Roamix emailed you.
- Set as data line. Choose the Roamix eSIM as your mobile data SIM.
- Turn on Data Roaming. Turn on Data Roaming for the Roamix line when you land.
Can the Surface Duo Keep My Home SIM Active With a Travel eSIM?
Yes. Keep your home nano-SIM in the tray and add Roamix as the eSIM. Roamix plans are data-only, so your home line stays available for calls and texts. Set Roamix as the mobile data line and turn off Data Roaming on your home line to avoid roaming charges.
Surface Duo eSIM Troubleshooting
Download a SIM instead is missing: Your phone may be the AT&T-locked model, or locked to another carrier.
Installed but no data abroad: Set Roamix as your mobile data SIM and turn on Data Roaming for that line.
Microsoft Surface Duo and Duo 2 eSIM: Frequently Asked Questions
Does the Surface Duo have eSIM?
Yes. Microsoft lists one eSIM and one nano-SIM, and says the AT&T-locked model doesn't support eSIM.
Does the Surface Duo 2 have eSIM?
Yes. It's listed with one eSIM and one nano-SIM.
Is the Surface Duo set up like a Surface laptop?
No. The Duo runs Android, so eSIM setup is in Android SIM settings, not Windows Settings.
Can the Surface Duo keep my home SIM active with a travel eSIM?
Yes. Keep your home nano-SIM in the tray and add Roamix as the eSIM. Roamix plans are data-only, so your home line stays available for calls and texts. Set Roamix as the mobile data line and turn off Data Roaming on your home line to avoid roaming charges.