Get up to £200 off a new Orange mobile. Every time you top-up by £10, we add £1 to your Phone Fund, up to a maximum value of £200.
Phone Fund is a brand-new reward package for our existing pay as you go customers. The more you top up, the bigger the discount you get towards a new phone from Orange.
link - http://shop.orange.co.uk/mobile-phones/upgrades/pay-as-you-go