Hi,
I installed Navcore 9.500 Memory Boost to my Rider 2 using the Rider9.500_Installer.
With this installer there are no voices.
I then used Navcore 9.510 Auto-Power Installer , this one has voices included.
After this I reused Rider9.500_Installer to come back to 9.500 Memory Boost.
Loquendo folder and voice folder still exist on my SD
Cpoied the .bif and used FastActivate
Message : Map -> ok ; Voices -> ok
Starting the TTRider I ...