Sign up to our free credit tariff and we will triple your credit on top-ups of £10, £15 and £20 each month. If you top-up £15 or more you can choose from a free bundle of free texts, minutes or data. Call 282 from your Tesco Mobile phone. Offer ends 30th September 2013, terms apply. Plus we'll give you triple Clubcard points for every £1 you top-up. Points are given for top-ups in Tesco stores, online or by calling 4444 from your Tesco mobile phone. Offer ends 1st January 2014.