O2 have launched a new tariff at the £15 price point on an 18 month contract, but that's not all! O2 are also offering a free handset too - making this a a fantastic entry level if you're looking for a contract mobile phone. Below are the current handsets available on the new tariff. Handset Choose Either Tariff Handset Cost Nokia 6300 Silver Unlimited texts or unlimited O2 to O2 Calls O2 £15 p/mth 18 mths FREE Samsung D900i Unlimited texts or unlimited O2 to O2 Calls O2 £15 p/mth 18 mths FREE Samsung D900i Pink Unlimited texts or unlimited O2 to O2 Calls O2 £15 p/mth 18 mths FREE SE K800i Black Unlimited texts or unlimited O2 to O2 Calls O2 £15 p/mth 18 mths FREE Motorola U9 Purple* Unlimited texts or unlimited O2 to O2 Calls O2 £15 p/mth 18 mths FREE The Motorola U9 Purple will be available soon. For more information and also to purchase an O2 mobile visit O2 Online.