How to Get Internet on Nintendo DS Lite: You Can't — Hardware Limitations

You cannot. The DS Lite (2006) has no built-in Wi-Fi and no web browser. It only supports local wireless (ad-hoc) for multiplayer with other DS systems.

Why It's Impossible

• Hardware: No Wi-Fi radio. The "wireless" is proprietary 2.4GHz for DS-to-DS only.
• Software: No browser cartridge was ever released for DS Lite.
• Nintendo Wi-Fi Connection (WFC) service shut down May 2014—even games with online modes no longer connect.

Historical Workarounds (Obsolete)

• Nintendo Wi-Fi USB Connector (discontinued 2007) – Let DS Lite connect to PC's internet for WFC games only (Mario Kart DS, Pokémon). No web browsing.
• DSi / 3DS: Later models added Wi-Fi + browser (still terrible).

Modern Options for Handheld Internet

• Nintendo Switch – Full browser (hidden), YouTube, Hulu, eShop.
• Smartphone – Obviously.
• Steam Deck / ROG Ally – Full desktop browser.

The DS Lite is an offline-only device. Enjoy its incredible single-player library (Pokémon HG/SS, Zelda Phantom Hourglass, Mario Kart DS) without internet.