i have recently rooted my captivate and i am using new android 2.3.5 and kk4 kernal. All the basic things i know like flight mode disable etc. Problem: 1. wifi shows error 2. mac address unavailable in advance tab 3. Bluetooth not working 4. There is no file in /data/wifi folder Required: 1. please tell me is it hardware error or software. 2. where is wifi and bluetooth drivers in android os (i need location plz) 3. i have to know how i can debug my wifi and last thing please share some body /data/wifi folder files i shell be very thankful to you people.