Symbian S60 operating system used on the cell phone is giving many
ease things. The benefit feature of Garmin XT ver 5.0.20 you can take
as good sample. Applying Garmin XT v5.0.20 on Nokia 5800 has a good
works. Seem like it has the same result to put it on other S60 cell
phones.

Garmin XT v5.0.20 successful fixing any bugs found such receives the
commands problem because of the lack of a physical keyboard. Besides
Garmin Mobile XT can use on Nokia devices touchscreen. However to get
the Garmin has ready to work on your Nokia cell phone, here are the
steps you must to do:

Install Garmin Mobile XT.

Install VirtualKey on the phone’s memory. And sign it. And then you
can run VirtualKey at once and close it to allow it creates the
directory that we shall need later.

Download custom2.keymap attached
Connecting your phone to the computer and goes to:
E: private e7d61da9 (where E is the memory card) and copy custom2.keymap

Unplug the phone from the PC, start Virtual Key
Go to Settings tab Options => Load mode => Custom Mode 2
Exclude Tab => Option => Change mode => Include
Includes => Tab Options => Add-installed from => Gmobile XT => Select

Following the methods above will makes the navigator works perfectly,
but the only limit is the inability to enter the house number of an
address. From know you are able to use the Garmin on Nokia TouchScreen
and other devices with Symbian S60 V5 touchscreen.