Hi bro.. Can help me quote for below? I'm convenient at wangsa maju area.. Let me know..

(1) I have an iPhone 4 with volume problem.. Other buttons and function working well.. How much for the repair?? and if I sell it to you.. How much would you take in?

(2) my other iPhone 4s having problem connecting to wifi problem.. Sometimes can connect sometimes cannot.. Any solution? All other buttons and functions working well.. How much for the repair and what resale price would u take in??