Perhaps you can help. I have a broken screen on my 540 TomTom and I also have a fully functioning 550.The 540 interface includes the ability to use itineraries whereas the 550 is sadly lacking in this area. Is it possible to install the 540 interface on a 550 unit. to get the itinerary buttons.

[Login or Register to remove this advertisement]

MerlF Reviewed by MerlF on 31st July 2021. 540 interface on a 550 unit. Is it possible. I want itinerary menus. Perhaps you can help. I have a broken screen on my 540 TomTom and I also have a fully functioning 550.The 540 interface includes the ability to use itineraries whereas the 550 is sadly lacking in this area. Is it possible to install the 540 interface on a 550 unit. to get the itinerary buttons. Rating: 5