iPhone SE

The iPhone SE lineup covers three eSIM-capable generations: SE 2nd gen (2020), SE 3rd gen (2022), and SE 4th gen (2024). Each has slightly different eSIM capabilities, but all support travel eSIMs like Roamix.

Key Takeaways

• SE 2nd gen (2020): eSIM supported, one active eSIM, physical SIM present.
• SE 3rd gen (2022): eSIM supported, Dual eSIM (two active), physical SIM present.
• SE 4th gen (2024): eSIM-only in US, Dual eSIM, no physical SIM tray.
• Carrier unlock required for Roamix and other third-party eSIMs.

Does iPhone SE Support eSIM?

Yes. Every iPhone SE from the 2nd generation (2020) onward supports eSIM. The original 1st generation iPhone SE (2016) does not have eSIM.

The key differences between SE generations:

• SE 2nd gen (2020): One active eSIM at a time. Physical nano-SIM slot retained.
• SE 3rd gen (2022): Dual eSIM (two active lines). Physical nano-SIM slot retained.
• SE 4th gen (2024): eSIM-only in US (no nano-SIM tray). Dual eSIM.

iPhone SE Models and eSIM Compatibility

How to Activate eSIM on iPhone SE

The process is identical across all SE generations:

1. Open Settings.
2. Tap Cellular, then Add Cellular Plan.
3. Scan the QR code from your eSIM provider. Roamix emails the QR code within 60 seconds.
4. Give the line a label like "Roamix Travel."
5. Set the Roamix eSIM as your data line when prompted.

For SE 2nd gen users with only one active eSIM slot, your physical SIM handles calls and texts while the eSIM handles data.

Using Two Lines on iPhone SE

SE 3rd and 4th gen support Dual eSIM — two active lines simultaneously.

For SE 2nd gen, you can run one physical SIM and one active eSIM at the same time.

Travel configuration: Home line → calls and texts, Data Roaming off. Roamix eSIM → primary data line, Data Roaming on.

Configure at Settings → Cellular → Cellular Data.

iPhone SE eSIM for International Travel

iPhone SE works with Roamix on any unlocked device. Buy a plan, scan the QR code, and connect when you land.

Carrier unlock check: Settings → General → About → Carrier Lock.

iPhone SE eSIM Troubleshooting

"Add Cellular Plan" not showing: Carrier lock is the most likely cause. iPhone SE is particularly common on MVNOs. Consumer Cellular, Boost, Mint Mobile, and Cricket all have lock periods — typically 6 months — before they will unlock an SE for third-party eSIMs. Check your MVNO's unlock policy before purchasing an eSIM.

SE 2nd gen (2020): Quick Transfer not supported: If moving to a new iPhone, you cannot use Quick eSIM Transfer on an SE 2020. You must request a new QR code from Roamix to reinstall the eSIM on the new device.

Can I use eSIM on iPhone SE 2nd gen while keeping my SIM?: Yes. The SE 2nd gen supports one active eSIM alongside one physical SIM. Set the eSIM as your data line and the physical SIM handles calls.

No service after activation: Set Roamix as data line, enable Data Roaming for Roamix line, toggle Airplane Mode off/on.