bought a nokia lumia 520 on may 20th , has been in for repair 3 times since with the last two within a 30day period .t and cs on 02 website state if fault reoccurs within 30day time frame a reconditioned phone of the same or similar model to the one i have must be provided ,staff unaware of this until i brought it to their attention after they told me it had to be sent away for repair for a 3rd time to qualify for a replacement , as they have breached their own terms and conditions am i intitled to a new handset of a full refund