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.