EE has a voucher offer running on the iPhone 5S that reduces the upfront cost by £30
Upfront cost of £9.99 instead of the usual £39.99.
Monthly line rental £39.99
Line rental includes
2GB 4G Mobile Internet
Tethering & Voip
Inclusive WiFi - including London Underground
Gold iPhone 5s
Silver iPhone 5s
Space Grey iPhone 5s
Voucher is automatically added to the basket using the above links.