K750i for 3.5k....wow...I dont think it will fetch that buddy
I have a w810i in good condition with 512mspd,earphones,bundled speakers, charger, new battery (i.e. 3 mths old) no box. Piece was not rough used
I keep it as a backup phone..(my 5800 gone to nokia centre 4 times!)..pm if ur r interested with expected price