Your Xbox 360 was almost certainly pre-owned or refurbished. New units always included both.
| Scenario | Memory Card | Live Trial | Other Signs |
|---|---|---|---|
| Pre-owned (GameStop, etc.) | Kept by previous owner | Redeemed by previous owner | Scratches, no seals, generic case |
| Refurbished (Microsoft / 3rd party) | Removed during refurb | Removed / expired | Refurb sticker, white box, 90-day warranty |
| Bundle (Console + Game) | Sometimes omitted | Sometimes omitted | Game included, plain box |
| Late Model (Slim / E) | Internal 250/320/4GB — no MU slot | Code on receipt / email | No MU slot on console |