Hot answers tagged iphone-4
Either connect it to iTunes or to a powersource
No. You need to contact the person who sold you the phone and get them to either give you the iCloud details, or give you your money back. The phone can not be activated by Apple until it has been unlocked using the iCloud details (login and password) that it was locked with. This is a security measure to stop stolen phones from being useful to people. If ...
No, they aren't. Here you can find the two type of charger, 5W (iPod and iPhone charger) and 12W (iPad, iPod, iPhone charger) with compatibility list. The length of 30 pin connector is always the same (it is standardised for Apple).
You will have to plug your iPhone into a computer and update using iTunes to the latest iOS version. This will of course undo the jailbreak.
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