My iphone has a security code.it was stolen.can the thief unlock it?

I don't wan't the thief to use it. Can i do something to permanently deactivate the iphone? Like for example send a virus to destroy it perhaps?

Thief will not be able to use it with a code. And Apple can send a remote restore as long as the phone is still activated.

Nope you can't send a virus. You can call your carrier to deactivate the service. If you had set up the "Find my iPhone" app before it was stolen, you can remotely track the device and wipe its data if necessary.

No you can't.

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