Early Xbox 360 consoles could play the original Xbox disc via emulation. While this version was faithful, it was plagued with:
On an RGH console, San Andreas is typically run as a God Container (Games on Demand) or extracted as a folder containing the default.xex file. GTA - San Andreas -XBOX 360 -RGH
You have two methods. Choose one.
RGH (Reset Glitch Hack) is a hardware mod for the Xbox 360 that allows running unsigned code, homebrew, backups, and emulators. With RGH, you can bypass the official Microsoft restrictions. Early Xbox 360 consoles could play the original
So, if you want the full original San Andreas experience (2004 version, not the broken mobile port) on Xbox 360, RGH lets you: and emulators. With RGH