"GlennP" <pleasereply@newsgroups.com.au> wrote in message
news:4781422d$0$12542$afc38c87@news.optusnet.com.a u...
> Guys,
>
> I have a Nokia N95 phone (6 months old) & an Optus 3G USIM card (18 months
> old).
>
> Most of the time when I have 3G coverage the phone signal strength is high
> or full, but if I make or receive a call, 85% of the time it will
> immediately drop back to 2G, the other 15% of the time at some stage
> during the call it will drop back to 2G & then come back to 3G, is this
> likely to be a phone fault or USIM card fault?

Could be either.

> The reason I ask is because one of the other work phones, a band new Nokia
> 6120 Classic & band new Optus 3G USIM card has high to full 3G coverage in
> an area that I get none or only 1 bar of service, even if I lock the phone
> to 3G.

So chuck that USIM in your N95 and test for a few days. That should show you
whether its phone or USIM

>
> Cheers
> Glenn