@Castus
Member janch gave you a thread link above, look at [Only registered and activated users can see links. ] there for how to use SD for backup and re-write of region 16. Links for both methods are prominent at the top of first post there:
Quote Originally Posted by catymag View Post
Garmin devices Logo.bin files

These logo.bin files have been posted in some threads in various sections here on forum or I've done them with Gir Editor-
I thought it was more confortable to have them all in just one thread.

How to replace it using Updater.exe in post [Only registered and activated users can see links. ]

Generic instructions and templates for SD/microSD flash if your unit has 'rrgn' and 'xrgn' commands in firmware, available in Post [Only registered and activated users can see links. ]...
Look at [Only registered and activated users can see links. ] for instructions on how to change start-up logo images.