Deals on Three (3)
If you're getting a smartphone, you want good internet speeds and coverage. With the UK's largest 3G network, Three is a good option. In tests and customer feedback, Three has also been rated the best network for iPhone users in terms of coverage, connectivity and internet speed.
Three's One Plan may not be cheap, but it offers a ton of minutes, texts and data, and it is very good value if you don't want to worry about your usage.