The newest software Franch version of R4 & R4i Ultra is v1.55 , released in Oct 20, 2009. R4 and R4i Ultra use the same Firmware (kernel), supports  multi-language,such as japanese,english, Spanish,Korean and more. Please select the language that you want, and download it. More language software will be released larter.

R4 & R4i Ultra Franch v1.55 Software Download