Afternoon all. I am new to this forum. My Tomtom Via125 live keeps switching off. It starts up, I input where I want it to navigate to, it starts to find destination and then a spinning wheel on RHS of screen appears and then it switches itself off! Then shortly after, it will decide to switch itself on again and then you go through a similar process.... Totom website says my device is “no longer supported” , no new map updates available but unit will continue working on existing map but......... Anyone any ideas please?