Do not confuse "Rev 1" or "Cartridge Dump" with the complete digital package. The actual "All DLC" edition requires the base game + a separate unlocker file (usually a 10KB to 1MB essential file) that tells the Switch you own the DLC.
Unit/Character DLC
While the story doesn’t break new ground—plucky squad fights against an empire in a fictional WWII—the character writing is strong. The DLC adds valuable backstory for fan-favorite units like Selvaria and the Edy detachment, which longtime fans of the series will really appreciate. Valkyria Chronicles 4 Switch NSP All DLC