It sounds like you're asking for a helpful comparison or guide regarding (or "devdata") for FIFA 09 through FIFA 19 — likely related to Career Mode player growth, potentials, or editing databases.

Today, while you might still find a devdata.dat file in the depths of your old documents folder, it stands as a relic. The modern gaming experience is undeniably "better" for the average user because of native controller support. However, those who lived through the era remember the small victory of finally getting a perfectly tuned devdata.dat file, hitting the pitch, and knowing that the game was now truly yours to control.

Paste the following optimized device configuration block, replacing [Your Controller Name Here] with the exact label found in step 1:

Look for the folder that corresponds to your current hardware ID (e.g., VID_06A&3_PID_0109 ).

\FIFA 09\data\cmn\devdata.big \FIFA 10\data\cmn\devdata.big ... up to FIFA 19 (similar structure)

Though FIFA 19 natively supports XInput, running the game through third-party launchers, using generic USB gamepads, or playing with Nintendo Switch Pro controllers often breaks the layout. Modifying the configuration data forces the Frostbite engine to properly assign the right-stick trick system and fixes standard button mapping. How to Fix Controller Issues Using Devdata.dat

: The "19 Better" mod specifically targets this file structure to inject updated data, allowing enthusiasts to play with a 2019-era football landscape within the FIFA 09 engine. Why Mod FIFA 09 in the Modern Era?