Best 5G Phone Deals UK

5G networks now cover over 85% of the UK population, with Three, EE, Vodafone, and O2 all running active 5G rollouts. The difference in real-world use is significant: average 5G download speeds in the UK sit between 75 Mbps and 238 Mbps compared to 4G's typical 20 to 30 Mbps. That means faster video streaming, quicker app downloads, smoother video calls, and better online gaming wherever you have 5G signal.

If you are still using a 4G-only handset, upgrading to one of the best 5G phones UK networks support means future-proofing your device for the next 3 to 5 years. And with 5G contracts now available from under £20/month on SIM-only, the premium for going 5G has almost disappeared.

Samsung Galaxy S25 Ultra: The pinnacle of Android in 2026. A 6.9-inch Dynamic AMOLED 2X display, a four-lens camera system headlined by a 200MP main sensor, and Qualcomm's Snapdragon 8 Elite processor built for AI and 5G Standalone networks. The S25 Ultra is one of the best 5G phones UK buyers can get if they want the absolute top of Samsung's range, with a 5,000mAh battery, 7 years of Android updates, and IP68 rating.

Apple iPhone 17 Pro Max: Apple's flagship continues to set the standard. The A19 Pro chip delivers deep 5G integration and improved battery life over the 16 series. The triple camera system (48MP main, 48MP ultra-wide, 12MP telephoto) remains one of the best on the market. iOS with Apple Intelligence makes the most of the hardware. If you are in the Apple ecosystem, this is the natural upgrade.

Google Pixel 10 Pro XL: The choice for camera quality and AI depth. The TSMC-manufactured Tensor G5 chip delivers strong performance with excellent on-device AI processing. The 5,200mAh battery leads its class, the 6.7-inch Super Actua display is crisp and bright, and Gemini AI is fully integrated. One of the most intelligent smartphones you can buy in 2026.

Samsung Galaxy A56 5G: One of the best 5G phones UK buyers on a budget should consider. A 6.7-inch Super AMOLED display at 1,500 nits peak brightness is readable in direct sunlight. The Exynos 1580 processor handles everything without lag, and you get six years of OS updates, remarkable at this price. 5,000mAh battery with 45W fast charging, IP67 rated.

Apple iPhone Air: If you want a 5G iPhone without the Pro price, the iPhone Air delivers. At just 165g and 5.64mm thick, it is Apple's thinnest and lightest iPhone ever. It runs the same A19 Pro chip as the Pro Max, with identical performance. The trade-off is a single 48MP camera rather than a triple-lens system. For anyone who doesn't need telephoto zoom, this is one of the best value 5G iPhones available.

OnePlus 15R: The value Android pick of 2026. Strong 5G performance, a large vibrant AMOLED display, and OnePlus's trademark fast-charging technology make this the standout choice for buyers who want a capable Android without paying flagship prices.