Does Samsung S21 Have 2 SIM Card Slots? 2026 Update

Addressing does Samsung S21 have 2 SIM card slots: The Galaxy S21 series (2021) supports hybrid dual-SIM globally, but US models differ. In 2026, with eSIM ubiquity, here's the full breakdown including upgrades.

International S21/S21+/Ultra use physical nano-SIM + eSIM or second nano-SIM. US versions (Verizon, AT&T) are single physical + eSIM only.

S21 SIM Specs by Region

Global: 2 physical or 1 physical + eSIM. US: 1 physical + eSIM max. Check model via Settings > About Phone (SM-G991B international).

  • Global: Dual nano
  • US: Hybrid eSIM
  • 5G compatible

How to Enable Dual SIM on S21

Insert SIMs, go to Settings > Connections > SIM Card Manager. Activate eSIM via QR code from carrier.

Frequently Asked Questions

Does Samsung S21 have 2 physical SIM slots?

Yes in international models; US versions have one physical + eSIM slot.

Can S21 use two eSIMs in 2026?

No, one physical + one eSIM only; S24 series supports dual eSIM.

Best carriers for S21 dual SIM?

T-Mobile, Google Fi for easy eSIM swaps; international roaming optimized.

Upgrade path from S21 in 2026?

S25/S26 offer true dual physical + dual eSIM for travelers.