you cant... megabytes are in an actual object in the "stick" so you cant transfer MB from one to another, without being a pro with soldering and a pro at tech. i would have just said to go and buy another.
i would transfer data from one Memory stick to another by putting the files on a computer and then copy + paste on other memory stick!I have done this as my original M Stick was damaged and wanted to...
Insert both memory sticks into the computer. Go to My computer Open up the first memory stick hold ctrl and click all the files you want to transfer press ctrl and c go to the other memory stick...