LG Sunrise lgl15gb change color bit depth

By default the LG Sunrise is set to 16bit color depth. I want to change it to either 24bit or 32bit. The phone is fully rooted with su permissions. The file that controls the bit depth is located @ /sys/class/graphics/fb0/bits_per_pixel. After I ran this command: #chmod 777 /sys/class/graphics/fb0/bits_per_pixel
I tried the below:

Kernel Tuner suggested by:
Kernel Tuner doesn't present the option to change the bit depth.

I've tried #echo 32> /sys/class/graphics/fb0/bits_per_pixel as suggested by:
I tried this using both adb and Terminal Emulator to no avail.

Then using numerous text editors, Root Browser text editor, ES File Explorer text editor, Jota Text Editor, several others. Since all the text editors I've tried failed It leads me to believe that fb0 isn't a real directory, but rather maybe its a single file acting like a directory. When I open it in a file explorer the shortcut icon is on the fb0 directory. I'm a linux newb so I can't decypher exactly what it means.

Another possibility is maybe the GPU doesn't support a bit depth higher than 16 bit. which says 65k Color which means 16 bit. But I would like to think this possibility is wrong.

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