Hey, I got a DSi here and its FW is 1.4U
I found this page on the TTdsi site:
http://www.happydone.com/dstti-upgrade-for-dsi-14.html
(Also, I don't understand what it means in this part of the inst.,
"2. Download the official ttmenu v1.15, and unzip it on TF root folder." - What is the TF Root...