RE: xperia zl usb driver
I think that you have not done enough research...
anyways I got in the same problem today..
to solve the issue follow this steps:
1. download usb driver from this link
it is same for Z & ZL) [remove spaces it is not allowing me to post link]
h t t p : / / developer . sonymobile . com / downloads / drivers / xperia - z- driver /
2. unzip the drive file
3. right click on C6502 in device manager select update driver
4. n from that select file from my computer & select the driver folder...
5. go to eclipse -> window -> open perspective -> devices n check