i used se w850i..before this its nothing problem, but after i not on my phone about a week, my phone could not read my memory..it keep says " memory stick not inserted"..
when i switch off and restarted my phone it ask me to formatting my memory stick, i key in phone code then it say "formatting failed"i dont know what happen..
can someone please help me??

try updating your phone vis sony ericsson update service

i had try it..its already updated..nothing installed..

You could try manually with a2tool.

Try cleaning your memory card slot or the memory card contacts. If this doesn't work, have you tried a different memory card?

never try..i juz bought new memory stick coz i think my memory was damaged..but still same..
how to do manually?