You could try to connect your nüvi 2495LMT to the computer and update its files via Garmin WebUpdater.
Alternatively, use the (hidden) link below.
Garmin nüvi 2495LMT keyboard files via Zippyshare:
This post requires you to click the "LIKE this post" button and hit F5 to read this content.
Download RAR file, extract file. Result is a keyboards folder with 36 *.kbd keyboard files.
Place the keyboards folder in the root folder of your nüvi 2495LMT.
Bookmarks