I loaded Firmware R1.1.0.3081 and everything works!
Thanks for the quick response.

Two questions:
What is the size of the buffer?

Are there any restrictions of the types of BMP, JPEG (RGB only), and GIF files loaded into the buffer?

I've seen this topic come up multiple times without resolution.
After loading the file "00.bmp" which is a 470x272 24-bit color 376KB bitmap into the SD card's root directory. I run the command sequence:
254
95
0
48
48
46
98
109
112
0

To which the LCD replies:
252 95 00 01 00

About my setup:
I ...