The unlocked Samsung Galaxy S26 Ultra works with all major US carriers and most international networks.
US Carrier Support
Fully compatible with:
- AT&T (5G sub-6 and mmWave)
- Verizon (5G sub-6 and mmWave)
- T-Mobile (5G sub-6 and mmWave)
- US Cellular
- MVNOs: Mint Mobile, Visible, Cricket, Metro, Google Fi, and others
5G Coverage
The S26 Ultra supports both 5G types:
- Sub-6GHz: Wide coverage, faster than 4G
- mmWave: Ultra-fast speeds in limited areas
SIM Configuration
- One physical nano-SIM slot
- eSIM support
- Dual SIM capability (physical + eSIM)
Both lines receive calls and texts simultaneously. Data uses one line at a time.
Locked vs Unlocked
Carrier-purchased phones:
- Locked for 60-90 days
- May have eSIM restrictions
- Unlockable after waiting period
Unlocked phones:
- Work immediately with any carrier
- Full dual SIM functionality
- Better resale value
International Travel
The US unlocked model supports 4G LTE in most countries. Verify 5G band compatibility with destination carriers if 5G is needed abroad.
Recommendation
Purchase the unlocked version from Samsung.com or Amazon for maximum flexibility. It works with any carrier immediately and maintains full dual SIM support.
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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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