The Unlock codes for iPhone 4 to unlock the service network is usually provided by Vodafone who usually verify the information with Apple.
No, you can even unlock the iPhone when Jailbroken.
No, unless you illegally unlock it.
Yes you can unlock your Iphone using remote unlocking service. Get the service from the site http://www.wickedunlock.com/apple-iphone/rs11wp9/ ,and unlock it using unlocking instructions which is given in the site itself. Then you can use your mobile with Vodafone or any other GSM networks.
You can unlock your iPhone 3Gs anywhere if you have internet:)
You have to own it first. They will not unlock an iPhone 5 that is still being subsidised. Then you have to pay Bell Mobility $75 to unlock it. You must pay with a credit card.
you can unlock any iphone or phone at unlock att .com i did my whole familys iphones there
You can unlock the Blackberry Curve by entering the unlock code, which is available from the network service provider. Answers.com will not help you hack a locked cell phone.
You can also Unlock iPhone for use it at different country and operators. For unlock it you can use trust online service, for example: http://letsunlockiphone5.com or http://digitalunlocking.com, or any other! For find the best for you service look at trustpilot.com
The link below is the needed software to unlock the iPhone.
Depends on your software version if you even can unlock.
No. You only need to unlock an iPhone if you want to use a different cell phone company with your iPhone.
If you need network unlock code you can visit this site OnlineGsmUnlock.com get the network unlock code for your motorola razr.