The Apple iPhone 6, Samsung Galaxy S6 Edge and Microsoft Lumia 640 are good mobile phones that are available at Tesco, as of December 2015. All three have received generally positive reviews and are capable devices with 4G connectivity. Tesco offers monthly payment options for each device, as well as free delivery.
The iPhone 6 features a 4.7-inch Retina HD display running at a resolution of 1334 by 750 pixels. The phone has a fingerprint sensor and can record slow-motion videos at 240 frames per second with its 8-megapixel iSight camera. Powered by Apple's A8 chip, the iPhone 6 runs on iOS, an operating system developed by Apple.
The Galaxy S6 Edge by Samsung is an Android-powered mobile phone with a 5.1-inch screen that is protected against scratches and impact by Gorilla Glass 4. The device has a 16-megapixel camera that can capture visuals at a resolution of 2988 by 5312 pixels. The S6 Edge also features a curved screen that stretches over the edges of the phone.
Microsoft's Lumia 640 features a 5-inch screen that is also scratch and impact resistant. The phone's 8-megapixel camera can record videos at a resolution of 1920 by 1080 pixels. The device runs on the Windows Phone 8.1 operating system.
All three mobile phones also have accelerometers, front cameras, Bluetooth support and WLAN capabilities.