jitender

Dear all i have sch n191 set. i want to know that if i use usb cable then can it will be possible that i can syncronise my phone book, sms or all other items with computer. usb cable work with the pc sync yes or not. plz suggest me. also i want to know that i have another instrument of sam model by mistakely i rest the phone and its eeprom is reset. now my phone is not working also its esn no. has changed. now tell me how i use the instrument again. thanks jitender