One can book a PAYG Lumia 530 for just £14.95, while Lumia 635 is available for a PAYG price of £49.
Coming to monthly deals, Lumia 735 is available for £13 with savings of £30. Similarly, Lumia 830 can be booked for £18 with savings of £50 on offer.
So, if any of these deals interest, click on the below link to go to CPW flash sale page.