Could anyone help me please ? :) topic

Hello guys.. I have some problems about my samsung wave 2.. I think it is bricked but i m not sure.. Here you are some information about my problem:
-when i take charge to phone sometimes it says "file not found" or nothing happend..
- i tried to flash or something but nothing happend again
I read about jtag or something else but i could not understand my problem yet. Could any one help me about this case what is my phones problem how can i fix it? thank you..