Unlock it yourself. Trust me
The answer is yes. It is very easy to unlock iPhone nowadays. Unlocking websites are everywhere, they are a great help. You can also watch tutorial in YouTube to unlock it by yourself.
You either have to purchase an unlocked iPhone or jailbreak and unlock it yourself after you purchase it. This process does void any manufacturer warranty.
Not unless you want to lose your unlock
No its restored to factory setting. So its unlocked
yes it can. You can hack it to unlock it, or else in some country you can unlock it legally. For example in france.
It is now legal to unlock or jailbreak a iPod, iPhone or iPad in USA. <Edited By dontbother> By buying a Pay As You Go iPhone 4 it is unlocked to any network already (UK Only)
Yes it can. You either have to purchase an unlocked iPhone or jailbreak and unlock it yourself after you purchase it. This process does void any manufacturer warranty. First Jail Break it and then break baseband. there are two separate softwares which does that.
Sure you can unlock your iPhone 3gs but before that you have to jailbreak iPhone 3gs.
Yes. If you update your iPhone's software using iTunes it will lock your iPhone again. You will then need to unlock it again.
I would believe so, it can be difficult to unlock your iphone though but the iphone is exclusively at tmobile in Europe.
Yes it is now possible to unlock all versions of iPhone 3G and 3GS
If the iPhone is factory unlocked,yes u can use it If not,nope U have to jailbrake it and unlock it. Still no unlock for the 4-th iPhone Maybe the next week it's gonna to be a release