if you go into the "Settings" menu, and further on into the "General" menu, and press 2About" it should be saying what Version it is.
no, thats why there is software for the 3g and the 3gs.
Not really as there is differences in the operating software and different hardware on bother versions of the iPhone.
I am Going To Guess, That IP Stands For iPhone, and SW stands For Software. IPSW = iPhone Software
Yes. If you update your iPhone's software using iTunes it will lock your iPhone again. You will then need to unlock it again.
No, I don't use that kind of software. I just buy some iPhone accessories on this website: http://www.dinodirect.com/iPhone-Accessories/
Yes, as with all software, the iPhone does have glitches. When there is a glitch, Apple releases software updates to resolve the problem.
You can transfer your files from ipad to your iphone use some cookie or software,i want suggest some software that i used, xilisoft iphone magic.
By using connecting your iPhone/iPod to your computer and running some software. A process to use non-propietary software on the iPhone/iPod.
As of right now (2011) you cannot get the iPhone if you have T-Mobile. Well not legally. There is a software that you can download that allows you to have the iPhone. This software IS ILLEGAL and I do not recommend using it.
Iphone Software
iPhone software also it could mean ipod software
iPhone 4S comes with Siri, so the iPhone