LITE-ON SOHW 802S problem

i cant burn cds(can read cds, dvds and burn dvds) with my drive and i cant find a firmware for this drive. can someone help me please? thank you

Clean the drive/lense.

A firmware cannot resolve such hardware issues.

And what is the current firmware on the drive?

well im using a firmware for SOHW 832S, its VSOM i think

also before i used that firmware, my drive couldnt burn dvds, now it can