Sim Only Tariffs offers 27 April 2017 terms and conditions

Offer available to new or upgrading customers on minimum 12 month Sim Only tariff from 27th April 2017. Discount applies for 12 months. Monthly discount is £4 on 500MB tariff, £5 on 1GB tariff, £6 on 2GB tariff. Promotional £23 8GB tariff (reduced from £29), plus a monthly discount of £7. Each year your Sim Only Pay Monthly plan will be adjusted on your April bill by the Retail Price Index (RPI) rate of inflation announced in the preceding February. Find out more at o2.co.uk/prices. Connection subject to Pay Monthly status and eligibility check. Handset not included. Cannot be used in conjunction with any other offer. Pay Monthly Service and Tariff terms apply. See o2.co.uk/terms.