R4i or R4 Dsi or other varieties such as R4 revolution are the devices for the Nintendo
DS or a Nintendo Dsi version that allows one to play games, listen to music, read books as well as explore world of other capabilities. It has the equal size as that of a regular R4i cartridge. It also has a slot at the back for insertion of a Micro Secure Digital card so as to allow playing music, movies and other applications such as firmware and other games according to your exceptional.
When one implants a new Micro Secure Digital card into the R4i cartridge then on booting the machine one gets a menu so as to choose between games or multimedia that is stored in the Secure Digital card. After this one can also proceed to play games or other backup games or even listen to music or watch movies all the things in the same Nintendo console. All this is possible just by changing the R4i card. Below is a briefly specified history about the R4i.
The R4i cartridge was originally manufactured by the R4 team who produced the first ever Nintendo Ds R4 card in 2007. It also had a small slot at the top so as to push a Micro Secure Digital card internally. It came with a spring mechanism that would push the card into the slot, while the second blow would bring out the card from its place. But this genre of R4i cartridges with the spring mechanism was found to be faulty to the extent of 5%. The spring problem made the R4i to get damaged. Newly invented R4i gold is soon to be launch in the market with a blast. It is compatible with all Dsi Models of various types and also it supports FAT 16 and FAT 32 file system with flush fitting slot card.