The system doesn't need the peripheral because it has far more RAM than the original DS and DS Lite, and according to Opera the development team uses this extra memory for the Nintendo DSi Browser. It pretty much had to create an exclusive version: the DS Browser utilized a required add-on RAM cartridge in order to work that plugged into the GBA slot of the older systems, and the DSi lacks this slot. With the Nintendo DSi, Opera's giving the system its own Browser. Luckily its limited release meant only a handful of consumers were subjected to the torture. With only few exceptions, surfing web pages was an entirely agonizing and frustrating endeavor using this cartridge, and it just wasn't worth the purchase. I was fair, though: regardless if the DS had the horse power to surf the web, the DS Browser was so slow and limiting that the online experience was almost entirely unbearable. When Opera released the Nintendo DS Browser about three years ago, I wasn't very kind in my review of the product. It started with the Nintendo DS Browser released in 2005, followed by the WiiWare version of the Opera Browser close to the launch of the Wii console in late 2006.
Opera and Nintendo have been working together for a few years now in providing users the ability to surf the web using Opera's browser technology. One of the titles is a freebie: the Nintendo DSi Web Browser from Opera.
The internal data storage makes it possible for users to hop online and connect to the DSi Shop to download software straight to the system. The Nintendo DSi system advances the existing handheld platform in many directions: two camersa, built-in storage, and an SD card slot are among the big changes to the system.