Samsung Galaxy A36 5G

The Samsung Galaxy A36 5G (2025) supports eSIM alongside a physical nano-SIM slot. Released in early 2025, it is the first Galaxy A model to launch with OneUI 7 (Android 15). One active eSIM at a time — the A36 does not support Dual eSIM.

Key Takeaways

• Galaxy A36 5G: 1 active eSIM alongside physical nano-SIM.
• OneUI 7 activation path: Settings → Connections → SIM Manager.
• Carrier-branded models may ship with eSIM disabled — verify the global SM-A366B model number.
• Device must be carrier-unlocked for third-party eSIMs.

Does the Galaxy A36 Support eSIM?

Yes. The Galaxy A36 5G global variant (SM-A366B) supports eSIM. One active eSIM runs alongside the physical nano-SIM. The A36 does not support Dual eSIM (two simultaneous active eSIM lines).

Carrier-branded note: A36 units sold through carriers (AT&T, T-Mobile, Verizon, and international carrier partners) may have eSIM functionality disabled in the firmware. If you do not see "Add eSIM" in SIM Manager, your device is either carrier-locked or a variant with eSIM absent. Contact your carrier or confirm you have the global SM-A366B variant.

Samsung Galaxy A36 Models and eSIM Compatibility

How to Activate eSIM on Galaxy A36 (OneUI 7)

The Galaxy A36 runs OneUI 7 (Android 15). The SIM Manager path is the same as OneUI 5/6:

1. Open Settings.
2. Tap Connections, then SIM Manager.
3. Tap Add eSIM.
4. Select Scan QR Code and point your camera at the Roamix QR code.
5. Tap Confirm and wait for the eSIM to install.
6. In SIM Manager, set the Roamix eSIM as your preferred data SIM.
7. Enable Data Roaming for the Roamix SIM.

Using Two Lines on Galaxy A36

Galaxy A36 supports one active eSIM alongside the physical nano-SIM — two active lines simultaneously. For travel:

• Physical SIM (home carrier): Calls and texts. Data disabled.
• Roamix eSIM: Set as preferred data SIM. Data Roaming on.

Configure preferred data SIM at Settings → Connections → SIM Manager → Preferred SIM for mobile data.

Galaxy A36 eSIM for International Travel

Roamix works with any unlocked Galaxy A36 5G. Purchase a plan, scan the QR code, and your phone connects to local networks when you arrive.

Carrier unlock check: Settings → General Management → Device Information → IMEI status. Contact your carrier to request an unlock.

Galaxy A36 eSIM Troubleshooting

"Add eSIM" not visible in SIM Manager: The two most common causes are carrier lock and carrier-branded firmware with eSIM disabled. Check Settings → Connections → SIM Manager — if Add eSIM is completely absent, contact your carrier. If your A36 was bundled by a carrier, ask specifically whether eSIM is enabled on your account.

"SIM Manager" not showing eSIM option after unlock: After carrier unlock, restart the device and check again. On some carrier-branded OneUI 7 builds, eSIM may appear only after a software update or restart following unlock.

eSIM installed but no signal abroad: In SIM Manager, confirm Roamix is set as the preferred data SIM. Enable Data Roaming for the Roamix SIM specifically. Toggle Airplane Mode on/off to force network re-registration.

QR code not scanning: Ensure you are on Wi-Fi. Try holding the phone 6–8 inches from the QR code in good lighting. If scanning fails, use manual entry via the SM-DP+ address in your Roamix email.