Person who stole my phone switched off FIND MY iPHONE

So my phone got lost last week tuesday and yesterday i got an email saying find my iphone has been disabled from your device! Also, the person who took my phone plugged it into a computer because i got an email saying a sound was played on your device and that we were unable to put your device on lost mode, because my phone had no connection at all this could only be done through Wi-Fi connection or plugged into a computer!

WHAT CAN I DO?

Nothing. Sorry, but it's gone.

iOS 7 prevents thieves from being able to do that so if you replace your iPhone then make sure it's updated to the latest OS. Unless it's a regular iP4 as huge numbers of owners are reporting that iOS 7 make their phones practically unusable. The iP4s and all iP5 models are reported to be OK with the latest iOS.