i have a prob with my sony erricson w800i
i switched my phone on this morning and it gets to the first screen sony erricson logo and freezes i had to remove battery to turn it off i tried again i got the same thing so i tried cleaning it all etc and still the same , so i removed me 512 mem stick out the side and tried and it works perfect , if i put the mem stick back in while the phone is on it doesnt see it so i try switching of and back on and it freezes
anyone got any ideas on what i can do or what could be wrong
i switched my phone on this morning and it gets to the first screen sony erricson logo and freezes i had to remove battery to turn it off i tried again i got the same thing so i tried cleaning it all etc and still the same , so i removed me 512 mem stick out the side and tried and it works perfect , if i put the mem stick back in while the phone is on it doesnt see it so i try switching of and back on and it freezes

anyone got any ideas on what i can do or what could be wrong