The standardized path for all Xbox 360 DLC is: Hdd1\Content\0000000000000000\ \ \ Specific Directory Details for DOA5 Last Round Identifier Type Specific Code Description 4B5607E8
JTAG (Joint Test Action Group) and RGH (Reset Glitch Hack) are hardware modifications for older Xbox 360 consoles. They allow running unsigned code—homebrew, emulators, mods, and yes, backup copies of games or DLC not purchased through Xbox Live. dead or alive 5 last round jtag rgh dlc link
If the Dead or Alive 5 items appear with a small padlock icon or are highlighted in red, select from the options menu on the left. The standardized path for all Xbox 360 DLC