hi my nokia 1020 is not charging, its fully dead now, i went to one nokia center so they said me it will cost some 9k thats so heavy, so i purchased new microusb charging port and took that to one proffessional mobile mechanic and he told me that my phone's usbport is good the issue is with the motherboard... and i search to get board but i am not getting it from anywhere.. tell me what can i do? is it better to sell my phone's part or will i get my working phone back? please help me.. my phone is costlier so i don't want to lose it..