Can You Connect a Nintendo DSi to a Wii? No Direct Link—But Workarounds Exist

No native connection exists. The DSi and Wii are separate platforms with no built-in data link, cross-play, or controller pairing.

Workarounds for Data Transfer

• SD Card → PC → Wii: Copy DSi photos/saves to SD card → transfer to PC → move to Wii via Photo Channel or SD Card Menu.
• Cloud (limited): Upload from DSi browser (very limited) or PC → download on Wii via Internet Channel or Photo Channel.
• Cross-buy titles: Some WiiWare/DSiWare games (e.g., Cave Story, Mighty Flip Champs) offer "buy once, download on both" — but this is per-title, not a system feature.

What Doesn't Work

• DSi as a Wii controller.
• Wii as a DSi server.
• Direct wireless pairing (different protocols: DS Wireless vs. Wii Bluetooth/Wi-Fi).

Bottom line: Use an SD card and PC as a bridge. No native link exists.