Does turning off 3G really help call reception/signal strength ?

After experiencing more of the S.O.S. with the 2.1 upgrade I turned 3G off today.
It's really ******* me off that I am paying another $15 - $20 a month for something that seems useless and problematic (And now just to turn it off).
Does this really help with the issue pertaining to dropped calls ?

Hi guys
Hope you don't mind me dropping in, but I work in the telco industry, albeit in Australia. The turning off of 3G for better reception isn't an iPhone fault, it's a network thing.
Any phone with 3G capability is programmed to try and access the 3G side of the network first. It will continue to scan the network all day and night, anytime your phone is on to maintain signal. If it's unable to maintain service coverage with 3G, it then drops down to 2.5G, then 2G, then EDGE (if available in your area). If you turn 3G access off, it skips that step. The older networks are more reliable, but slower. They are also (now) much less crowded with users so there is less congestion and you get (on occasions) better signal.
The recent 2.1 upgrade would have modified the supply of power from the chipsets to the antenna's which is why many people are experiencing better signal strength and less dropouts, but it will always come back to the 3G coverage in your area.
I know this doesn't really improve things for you, but gives you some background to how the whole circus works.
Cheers
Russ

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Does turning off 3G really help call reception/signal strength ?

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