>> There was every chance that Next g coverage existed where your phone went
>> to
>> 2G, however the 2G signal may have been slightly stronger
>
> Why would it do that?

It doesnt. If there is any NextG it will stay on NextG

>> To really maximise your Next G coverage, I would recommend that you
>> change
>> the settings on your phone to stay on Next G only.
>
> The A501 has the following settings under "Network"
>
> 1. Automatic (which it's default is)
> 2. GSM 900/1800
> 3. GSM 850/1900
> 4. UMTS
>
> I just selected option 3. The antenna bar shows no signal and the 3G
> symbol
> isn't being displayed.

Because GSM in Aus is at 900 and 1800 mhz, not 850 and 1900. Option 3 is for
Seppo's

> I then changed it to GSM 900/1800. On the main screen I have full bars but
> there
> is an "E" symbol next to it. I do not know what that means. I'll have to
> look

E = Edge = high-speed data. Completely normal