Developers Screen
2. Start NUVI and go to Volume Screen.
3. Press the upper right hand corner of screen for 10 seconds.
4. The Developers Screen will pop up
5. Scroll down to MTP SETTINGS
6. Change from AUTO DETECT to MASS STORAGE
7. Shut down NUVI and connect to Computer USB cable
Nahrání map
do zařízení: .System/gmapprom.img
na kartu: MAP/gmapsupp.img