Need Firmware update for LG DVD-Player model: DN191H

Is there a firmware update for my LG DVD-Player model: DN191H
If so would someone please advise me on where I could download the update?
How would one update this device since all it has are memory slots?


Super Slim Design
Stands only 1.37" high for convenient addition to existing home theater configurations.

14-in-2 Multi-Memory Card Slot
Create slide shows from your digital camera and enjoy music from your MP3 library. Compatible with most major memory card formats.

1080i Upconversion with HDMI Output
A special video processing circuit upconverts all signals to 1080i (more than a thousand lines of horizontal resolution) via HDMI output for use with compatible televisions.

DivX and MPEG4 Compatible
Enjoy high-quality movies that you’ve recorded from your PC.

Other Features:

Multi Format Disc Playback: DVD Video/DVD±R/DVD±RW/ AM/Audio CD/CD-R/CD-RW/ WMA/JPEG
DivX®/MPEG4 Playback
14-in-2 Memory Card Slot
Hi-Resolution JPEG Photo Playback Home Theater Configurations
Progressive Scan Output
1080i Upconversion via HDMI Output
Cabinet Color Silver/Black
Language English/Spanish/French
Graphic User interface Playback Icons
Disc Capacity 1
Digital/Analog Converter 108Mhz/14bit
Digital/Analog Conversion 192Hz/24bit
Signal/Noise Ratio 100db
Repeat play A/B, Title, Track/Chapter, All
Multi Memory Card Slot 14-in-2
Digital Audio Out / Optical 1
Digital Audio Out / Coaxial 1
S-Video Out 1
Component Video Out (Progressive Scan) 1
Composite Video & Audio L/R Out 1
HDMI Out 1
Width x Height x Depth (with Packaging) 20" x 12.6" x 4.3