The solved

Nokia C2-01 Bluetooth is used to transfer data between devices and mobile phones.If blue tooth is not working in Nokia C2-01 we can not transfer data with wirelesses.To solve blue tooth problem in Nokia C2-01



In above diagram red line indicate parts that are used in Bluetooth function in Nokia C2-01.These parts are also used in Fm radio function in Nokia C2-01.After dis assembly of Nokia C2-01 clean whole these parts and apply heat so that they can be dry.
Re sold these parts and if any of them is damage or broken you have to replace them.