Upgrade LiteON 12x10x32 and 16x10x40 Possible?

Hi all,

I would like to know if the following “Old-Model”
CDRW drives could be upgrade to something faster:

-LiteON 16x10x40x - LTR16102B

-LiteON 12x10x32 - LTR12102C

Has anyone tried flashing any of the above LiteON
drive with other firmware?

Does the drives perform any better or faster than 12x/16x ?

Thanks in advance!