Hey guys I live in the uk and i have an iphone4s on 3 network. I was out a few days ago and lost my phone called my network to block the sim card and contacted my insurance company to get a new phone. turns out the new phone they've given me is a refurbished/repaired one and i'm having loads of problems with it. a few days later my mother received a phone call and an old women has found my phone so i go and fetch it and as i said it's blocked. what can i do to get it...