somewhere
Nope (I quite didn't get what you meant.)
Sorry but no, if your on PAY AS YOU GO there is no way you can upgrade. Only the plan users may upgrade.
At the time of writing...UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELANDThe iPhone 3G is available in Black 8GB on Pay&Go for O2, Orange and Vodafone for around £350.UNITED STATES OF AMERICAAs far as I know you can only get it on Pay Monthly with AT&T.My advice for UK get O2.US wait until Verizon or Sprint do iPhone!
There is a small chance you have no enabled 3G. To do this follow these steps. Go to Settings > General > Network and Enable 3G should be set to on. Also your area may not have 3G capabilities. In this case there is no 3G signal for 3G to work. To check 3G coverage contact your provider. Also if your iPhone is a 1st Generation and not the iPhone 3G you do not have 3G capabilities.
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That would depend on several things. Did you want to buy it new, second hand, rent it or use it on pay as you go.
It is the 4th model of iPhone. But iPhone generations do not go from one up: 1. iPhone 2. iPhone 3G (because of 3G connection) 3. iPhone 3GS 4. iPhone 4. 5. iPhone 4S
For an official Apple iPhone tutorial, go to: http://www.apple.com/iphone/guidedtour/tour/large.html
To get more information about the iPhone 3g you have two options, either go to a radio shack and ask an employee, or go online to their website and look at information about it.
go to itunes...plug in your deviceopen up itunesand check for updates
yes and no if you want it at all times then yes but if you can deal with waiting to go to pinera bread dunkin donuts Starbucks or mcdonalds then no
go on apple.com and look at all the goodies