iPhone 5 IMEI Barred to O2 UK

Hi there everyone.

Anyone offering O2 UK IMEI Barred iPhone 5 service ?
I need it bad because i just bought a used iP5 that was barred, :(
Please let me know ASAP.
Do remember we are talking about an iPhone 5 there is IMEI barred to O2 UK !

Thanks.

Erik aka MuggeGHQ