Nokia uses symbian or s60 as their operating systems
Short answer, "Maybe". Looks like Nokia was in talks to go to the Android platform, but as of last year it didn't seem it would because of the declining sale of Nokia.
One can find information on Nokia smartphones in the Technology Today magazine. They have tons of articles on technology, such as smartphones and other Nokia products.
Yes, Nokia 6700 supports 3G technology.
Nokia E50 supports edge technology.
There are many sites out there for nokia apps, for example http://www.nokiaapps.co.uk or www.ovi.com you should also find out what developer platform your on and then search for apps for that platform(i think it tells you when you sign up at nokiaapps.co.uk
It uses Nokia Platform Operating System. This inherits the UI similarities from Symbian, Maemo and replaces series 40 on Nokia's low end devices.
Symbian is an operating system or fimrware platform for mobile phones. Mostly Nokia
The N8 is the last phone manufactured by Nokia in the N-Series. The N-Series were Symbian OS based phones and Nokia decided to only use this as a Franchise platform. In 2011 Nokia agreed to ship its Smartphones with Windows mobile OS.
no.....it will not support 3G
no mts is 1600mhz cdma but nokia 2112 has only 800mhz cdma technology you can check also
nokia drive
Yes, Nokia N82 has 3G capabilities usig HSDPA (High Speed Downlink Packet Access) technology