While Resident Evil: Revelations is available on PS4, Switch, and PC today, none of those versions offer the raw, unrestricted access to DLC that the does. On a modded console, you aren't a player waiting for a drop; you are the system admin of your horror experience.
DLC must reside in the official content folder structure of the Xbox internal hard drive ( Hdd1 ). Create or navigate to the following path: Hdd1\Content\0000000000000000\43430833\00000002\ Resident Evil Revelations -Jtag RGH DLC-
Complete Guide to Resident Evil Revelations JTAG/RGH DLC Installation While Resident Evil: Revelations is available on PS4,
The Ultimate Guide to Resident Evil Revelations JTAG/RGH DLC: Expanding the Survival Horror Experience and PC today
On a stock console, these were pre-order bonuses or paid microtransactions. On a JTAG/RGH console, they are simply .live or .GPD files that you inject into your profile.