Samsung Galaxy S25 Ultra boasts cutting-edge network capabilities, ensuring seamless connectivity wherever you go. This premium device supports a comprehensive range of technologies, including GSM, CDMA, HSPA, EVDO, LTE, and 5G. Designed for global compatibility, the Galaxy S25 Ultra offers extensive 2G, 3G, 4G, and 5G band support, guaranteeing fast and reliable internet speeds with HSPA, advanced LTE (up to 7CA), and next-generation 5G connectivity for both international and USA unlocked models.
Specification Details
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G Bands | GSM 850 / 900 / 1800 / 1900, CDMA 800 / 1900 & TD-SCDMA |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100, CDMA2000 1xEV-DO |
| 4G Bands (International) | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 |
| 4G Bands (USA unlocked) | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 |
| 5G Bands (International) | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 |
| 5G Bands (USA unlocked) | 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave |
| Speed | HSPA, LTE (up to 7CA), 5G |
Real-World Performance
The extensive network band support and advanced 5G capabilities of the Samsung Galaxy S25 Ultra translate to exceptional real-world performance. Users can expect lightning-fast download and upload speeds, which are critical for high-bandwidth activities like 4K video streaming, online gaming, and large file transfers. The inclusion of mmWave 5G in the USA unlocked model ensures access to the absolute fastest available cellular speeds in supported areas, providing a truly next-generation mobile experience. Even in areas without 5G, the robust LTE support (up to 7 carrier aggregation) ensures stable and speedy connections.
All details about display, performance, hardware and more are listed in the Samsung Galaxy S25 Ultra specifications.
FAQ
Yes, the Samsung Galaxy S25 Ultra absolutely has 5G connectivity. It supports a wide range of 5G bands, including both Sub6 and mmWave, to ensure fast and reliable mobile internet access where 5G networks are available.
Generally, yes. The unlocked versions of the Samsung Galaxy S25 Ultra are designed to be compatible with major carriers worldwide, including those in the US like AT&T, Verizon, T-Mobile, and others such as Boost Mobile, Cricket, Google Fi, and US Cellular. Carrier compatibility can vary slightly by region and specific model.
