The Samsung Galaxy S25 Ultra supports eSIM technology in addition to physical SIM cards.
SIM Capabilities
- US Unlocked model: 1 nano-SIM + eSIM
- International models: 2 nano-SIM + eSIM
- Dual SIM Dual Standby (DSDS) supported
eSIM Benefits
- Instant carrier activation via QR code
- Maintain separate work and personal lines
- Add travel data while keeping your primary number
- Store multiple eSIM profiles
- Switch carriers without physical SIM swaps
Supported US Carriers
eSIM is supported by Verizon, AT&T, T-Mobile, Google Fi, Visible, Mint Mobile, and most other carriers.
Setup Process
- Settings > Connections > SIM Manager
- Select "Add eSIM"
- Scan carrier QR code
- Complete activation
Travel eSIM Options
For international travel, services like Airalo and Holafly offer data eSIMs that work alongside your primary number.
Considerations
- Multiple profiles can be stored, but only 1-2 active simultaneously
- Transferring eSIM between devices requires carrier assistance
- Physical SIM swaps remain simpler for device changes
The S25 Ultra's eSIM support provides flexibility for managing multiple lines and travel data needs.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from ShopSavvy's price data.
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