Hi to everyone i am new to all this gps and software stuff i have just bought a xtrons TD-714SG header unit for my car and would like to update the firmware on it and i know it has igo gps on a sd card so what software if any do i need to update the maps and how do i update the maps as i said im really new to all this so i do apologise

also i am using igo at the moment and i do like it but whats the best software to use using a postcode rather than a full address

cheers
rexob64

There is usually no need to update the device firmware unless there's a problem that the update fixes.

With your iGO installation you may need to replace the whole installation with a cracked build.
Then map updates are as simple as drag and drop.