you dont
activate the phone first and then sync it with your itunes on your computer
Plug in your iPhone. Connect to iTunes. Click Sync.
iTunes is not required to activate the 4 or 4s. Insert SIM and turn on and follow the prompts.
Yes, if you restore your iPod or iPhone on iTunes it will delete Cydia. The restore function on iTunes restores your iPod or iPhone to its previous settings.
Yes,If u have Bought it in itunes u can log in and redownload it at itunes on pc or u idevice
Download Itunes Then Connect Your Iphone And Wait 2-3 Min
yes, you put the CD in your computer and drag/import the songs into itunes. Once in itunes you can connect and sync your iPhone.
If you are referring to an iTunes account, they can share. They do not need separate accounts.
Yes, you can "Undo" a Jailbreak, by going into iTunes and Restoring your iPod Touch, or iPhone.
You need to connect to to the computer that is authorised for your iPhone and update via iTunes.
Yes you need to activate it using Itunes, otherwise you wont be able to use it you will only see emergency calls only on the screen or a logo for USB cable pointing to an itunes logo. For the step by step procedure on how to activate iphone, just go the link http://nice-to-know-about-iphone.blogspot.com and look for the topic "Activating an Iphone"
Connect your iPhone/Pod to your computer/laptop, open iTunes and sync your iPhone/Pod. The apps will then appear in your "applications" tab of iTunes.