Some versions of pkgi have an auto-update feature built-in, or you can find standalone tools on GitHub that automatically fetch the latest config.txt from trusted sources and place it on your USB drive for transfer.
I can provide tailored instructions for your specific configuration. Share public link pkgi ps3 configtxt free
Game databases change. Links die. Servers go offline. To keep your PKGi working: Some versions of pkgi have an auto-update feature
Insert the USB drive into the rightmost USB port of your PS3. Launch from the Game column. Switch to the mmOS desktop view. pkgi ps3 configtxt free