Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Aug 15, 2013
3G is the default internet data connection that smartphones use to connect to the internet. 4G is the new version of 3G and is faster, more reliable, and lets you do things that you thought you had to do on Wi-Fi - and this video shows you how fast 4G really is.
To find out more visit Carphone Warehouse's 4G Comparison Hub at www.carphonewarehouse.com/4G-comparison-hub