Liteon 1213s firware help

Ok heres my problem i have 1213s liteon with the TSOD firmware. I have 160 DVDs with error prodisc ridata ritek prodisc benq +/- whats the problem with it use to burn prodisc and benq good but now i get and error rate of 10/2.
i recently found this forum and it seems i should update my firmware to the 1633s BSOS is this my best option. :doh: :doh: