what do they mean by cloning mobile phone

Nigeria
June 18, 2008 8:36am CST
i hear mobile phone's can be cloned how?
1 response
@ShepherdSpy (8544)
• Omagh, Northern Ireland
18 Jun 08
Someone takes your phone unknown to You,duplicates your customer info from the Sim,maybe returns the phone,and they can then use Your Account to make calls at your expense.. If You're looking for info on the equipment to do it with,sorry,can't help you there!
• Nigeria
25 Jun 08
thanks men at least it's an idea.,