Overview: Jon Bentley sees how three budget 5G smartphones fare on a whistle-stop tour of Liverpool. Along with Ortis Deley, Jon also looks over some astronomy-related tech. Georgie Barrat assesses the best headphones available for under £50, while Harry Wallop looks an app that promises to not only help people save on the food bill, but also prevent waste. Craig Charles offers a rundown of the hottest deals from the tech world and a brand-new competition that is anything but budget.