Here is the breakdown of the specific modifications that define the XQ experience.
RGH is another exploit that allows users to execute homebrew code on the Xbox 360. Unlike JTAG, which requires physical soldering directly to the motherboard, RGH works by inducing a glitch into the system that tricks the processor into booting up in a vulnerable state, allowing for the execution of custom code. This method does not require any soldering and can be considered less intrusive.