My iPhone 3G 16gb (6.6gb available) (18 months old) Version 3.1.3 (7E18) Model MB496X Modem Firmware 05.12.01 : GPS has stopped working

Having just the other day purchased Navigon Australian GPS software it is even more annoying:(
My Navigon Europe application was working A OK in Europe late last year.

GPS Lite MotionX application confirms no or extremely weak signal as does the Navigon GPS application.

I've scoured the web for possible solutions to this problem. Quite a few wannabe solutions out there. Navigon web site suggests doing a full 'Erase All Content and Settings' and backup restore to improve GPS signal.
eg: What can I do to improve the GPS-Signal of my iPhone?
Answer:
During the following process the memory of your iPhone will be reorganized.
This will have a positive effect on the quality of the GPS-Signal.
The internal memory will be entirely deleted during this process.
Therefore it is extremely necessary to make a backup of the software as described in step 1.

I'm reticent to do the 'Erase All Content and Settings' just yet unless it is the ONLY solution!

I've tried the following without success :
Have reset the iPhone using power + home buttons held down till apple logo appears.
Reset Network settings
Reset Location Warnings
Tried with 3G on and off
Tried with WiFi on and off
It seems that only WiFi/3G 'triangulation' is working giving me 'very rough' positioning.

Any assistance would be much appreciated.

thanks
Doug


Douglas Sheerer Director GALERIE DÜSSELDORF | contemporary art
BA Art+Design : Post Grad' Dip Fine Art : MA Art
Adjunct Research Fellow: : Department of Art School of Design & Art
Curtin University of Technology Western Australia
Approved Commonwealth Government Valuer for the Taxation Incentives for the Arts Scheme (TIAS)


GALERIE DÜSSELDORF | contemporary art
ABN 13 505 972 151
9 Glyde Street Mosman Park, WA 6012 Australia
Directors: Magda + Douglas Sheerer
Gallery Hours during exhibitions : Wed - Fri 11 - 5 pm Sun 2 - 5 pm Also open by appointment : Closed Public Holidays t/f +61 8 9384 0890 email : [email protected] [email protected] web site : http://www.galeriedusseldorf.com.au/

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