Fix Fault Goodmans

can i reflash a goodmans gnav12 as there are files in residentflash i cannot delete

It happened twice on the same trip. Is it worth repairing? Also, how do I update the maps? Thanks for your help!

Who or were can i get my satnav repaired & a new internal battery (will not hold a charge for more than half a hour). I have allso lost all sound=voice & alerts. After switching off, upon restarting ... more

there is no sound,it just packed up speaking

i have a goodmans gnav12 switched it on and it keeps telling me that gps signal is to low it can't pick up any satelites anyone know the problem. thanks.

i have a goodmans gnav12 and it won't pick up any satelites can you help me. many thanks

Touchscreen not working on Goodmans G NAV 10

Icannot get my touchscreen to work on my Goodmans sat nav