Dont worry mate,they have made a fool at me too,saying that K850 is suported.They did not aswer,so I told them I will open a dispoute-now I am waiting for their answer.Anyway,you dont have to be afraid of anything.You can STILL repair your phone.Just search in the Tutorials section a thread that senter made telling u how to flash k800 to k810 cid53 for beginners