:(:(I have given my sony ericsson K750i hand set for repair in the sony ericsson recognised service center, they reported me that the menu gets hang which they the phone is in freeze. Now they say that I need to replace the mother board of my k750i, can I trust on them? I have asked them not to medddle with my phone hardware as there is no fault i hope, only I need to flash the phone ,the screen reads please wait, and later it shows time as screen saver. Please any one suggest I am desperate. thanks in advance.