Try to enter the contacts manually, here's how to do it:
*Make a txt file in the root of your TT called contacts.txt (double click my computer, then the TomTom folder, then right click to create a text folder)
* Put the next lines in the txt file (copy and Paste):
"name1","0011234567890"
"name2","0011234567890"
"name3","0011234567890"
"name4","0011234567890"
"name5","0011234567890"
"name6","0011234567890"
*Now you can fill in your names and phone numbers: rename name1 etc. to ex. Peter, Joe, etc.
You can use spaces in the Names
ex. "Peter Collins","0011234567890")
*Do the same for the numbers. You can make the list as long as needed, just copy the last line below the end. (make sure the brackets and commas are not removed or displaced)
* Save the file
* Shut down the TT
* Remove the USB cable
* Restart your GO
* If it works you can see your Phone Book (there should be no harm in trying)