Thread: Transform a Nuvi 37xx in a Nuvi 34xx for dummies

Originally Posted by rexxxxx

Also I found small error: Now hard reset Nuvi clearing non vol in Debugging menu : hold your finger in Volume page - I think it must be Speed Page not Volume - I am entering the Debugging menu by pressing and holding on the center of Speed Menu.

you can get it from Volume page too, have you tried it ?