Samsung S9: The best deals on the high street as the latest iPhone rival goes on sale

Samsung's new Galaxy S9 and S9 Android smartphone models go on sale in the UK today, marking the company's latest assault on the market dominance of Apple's iPhone. The S9 will retail from £739 while the S9 is priced at £869 - notably less than the new iPhone X. The handset retailer is offering a free memory card with every S9 and S9 purchase, doubling the phones' capacities. The company's best deal for the S9 is on O2, which comes with 20GB of data and unlimited minutes and texts and is available for £49 a month for 24 months or £99 up front. Its best offer for the S9 is on EE, with 25GB of data and unlimited minutes and texts for £63 for a month for 24 months or £99.99 up front.