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

Originally Posted by Alfiogigio

Now I got problems getting into pre-boot mode Again for flashing logo with 34xx_350_logo_hid1376.rgn,
I try many many times with no luck.

Hi,
you missed probably this in OP:
Go to MTP Settings and set it to Mass storage mode.
Setting it to Storage mode you'll be able to flash the new 34xx logo in preboot mode with updater.

Could it be possible to flash 34xx logo and enable all features via sd Card ?

Thanks in advance.

Read at: CURRENT METHOD: Another way to convert 34xx with logo and enable features
convert37x34.zip (911 KB)
(bottom of the page)