“Download speed” is a measure of the rate at which data can be transferred from the internet to your mobile device. This data might be a web page, a photo you’re viewing, or it could be a film you’re downloading. Over the years, the mobile wireless 'Generation' (G) has experienced remarkable change, increasing download speeds and improving our mobile access to the internet. But just how much has it evolved? Take a look at the table below to compare the speeds of 2G,3G, 4G and the latest 5G.