O2

I recently decided to upgrade my phone being on o2 refresh, my tariff and everything has gone through but my contract date still shows as when I originally got my previous phone.My new phone is due to arrive today but I get this error everytime I try...

I Usually dont really receive such texts, most I get come from O2Uk to my phone I recieved an odd text today from ++47934125464 Text stated as folllowed O2: We were unable to process your latest bill. In order to avoid fees, please update your billin...