No it wont
Yes. The iPhone 5 works well on European cellular bandwidths.
yes. once an iphone is universally unlocked it will work.
Yes but you will have to unlock it first this can be done at unlockatt.com
Yes
no unless it is unlocked... .
Nokia Vodafone cellphones are typically locked to the Vodafone network, which means they may not work with Telecom XT SIM cards unless they are unlocked. If the phone is unlocked, it should be compatible with any compatible network, including Telecom XT. It's best to check the specific model's compatibility and whether it has been unlocked before attempting to use a Telecom XT SIM card.
Yes it will. I have mine with Centennials service
yup get it unlocked and you good to go!
No sorry the Iphone uses a different type network than the Nextel service.
No
YES it should although if its jailbroken/unlocked it will lock
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.