Firmware 1.55 for DVR-109

The firmware 1.55 for Pioneer burner models 109 and A09 is available.
It adds support for 12x and 16x media, multi-session DVD-R DL, and improves all media DVD burning quality.
To download the Pc version:
For the DVR-A09:
DVRA09_FW155EU.EXE
for the DVR-109:
DVR109_FW155EU.EXE
We have also prepared a Mac-flashing application for version 1.55:
DVR109_FW155EU2.sit
Warning, it does not work on modified- or transformed- DVR-A09 neither on DVR-109. For the latest, we want to remind you that the operation is reversible via a PC. You only need DVRupdate 0.9 to apply again firmware 1.05 for DVR-109 which has been placed in the following archive: 109105.zip. You will then have again a DVR-109 with a 1.05 firmware that you will be able to flash on your Mac.