Thread: nüvi 3x0 SD & Map Size Limits

Originally Posted by quebec001

For smokefree, ill check if i have new firmware for my nuvi350

If it's a nüvi 350 you have: it can recognize SDHC cards but is not capable of recognizing map files larger than 2 GB, regardless of firmware version. That explains why only the smaller map works on your unit, not the full map.