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

Originally Posted by linette

Arrr,
i am trying to convert my 3790 with this thread.
First preboot i reached pressing directly over the "RM" from the Garmin logo at startup, then something like "SYSTEM" or so comes up.
So i came along and flashed the 34xx rgn with restart and set the device to storage mode.
Now i want the bootlogo (before going any further with the xmls an then the webubdater), but i cannot enter preboot anymore.
Where do i have to press now?

Read with care post n1: have you set it in MTP menu as Mass storage mode?