Ok well installing Tomtom is rather pointless now on the Symbian phone platform like the N(5 or similar as the maps are now a good few years old and will not be updated in the future.
Garmin XT and Nokia Maps are actually pretty good sat nav programs.
For me to understand where your problem lies, first tell me is your Nokia E71 hacked??? I.e. is the firmware hacked so you can read all files, including Nokia system files.
If not email me (under my name) and i will talk you through how to do it. Once hacked all programs that are unsigned or signed will work on your phone regardless.
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Fiat Marea Chrome Front Grille. Fiat Bravo MK2 Front Grille.
ePER V4.0 2008 DVD, Bravo & Marea Workshop Manuals, Fiat Bravo Haynes Manual &, Fiat Bravo Owners Manual on CD etc...