I was given instructions on how to update my TTXL but have a question regarding which ttsystem to use.
The instructions I received were: "Unzip & copy the navcore as well as the pre-patched ttsystem & PNDNavigator files to your internal, overwriting any common files."
I downloaded the navcore and the ttsystem files (http://download.tomtom.com/sweet/navcore/9.205.rider3.CAB-navcore-RIDER.cab and X_ttsystem.9.205.547817.1, respectively).
The navcore has a ttsystem file of ~8MB and the X_ttsystem.9... file has a ttsystem file of ~4MB. ...