KeiTama Akai-series connection menu (from top to bottom)
1. KeiTama
2. Tamagotchi Plus
3. DekaTama
4. cell phone
To connect the Akai-series to the UraTama, select KeiTama on both. (KeiTama is the 4th entry on the first page of the UraTama's connection menu.)
To connect the Akai-series to a DekaTama ... might not be as easy as it looks. The DekaTama entry in the menu is for a store DekaTama. Which type of DekaTama do you have?