No.
You contacts will be saved in a backup automatically before you update your phone. Even if something goes wrong with the update, you can restore from the backup with your contacts, but I myself never had that problem.
if she deleted them from your cloud then your stuffed - you'll have to re add them .
If you have backed up before you deleted the contacts, just restore from iTunes backup files with iTunes.1.Configure iTunes so that it does not automatically sync with your iPhone when your phone is connected to your computer2.Connect your iPhone to the computer.3.Open iTunes4.Right-click on your device and press "Restore from backup"By the time the restore is done. Note: If your other files like new contacts, new messages that have not backed up would be rewritten. Therefore, don't use the iPhone any more once contacts is lost. You can also recover iPhone contacts from iCloud backup.However, if you don't have any backup, you can try FonePaw iPhone Data Recovery to recover your contacts directly.
It is a new phone and an upgrade on exsisting previous versions.
put your iphone contacts into your laptop, pc, or macbook then sync your new phone. Keep in mind that there is a difference between transferring iPhone contacts to a new iPhone or to an Android. Links to solutions for both cases can be found below.
There is a free iTunes App called My Contacts backup. The app allows you to export all your iPhone contacts and to send it to yourself via Email, making it quite easy to import the contacts on the new iPhone.
put your iphone contacts into your laptop, pc, or macbook then sync your new phone. Keep in mind that there is a difference between transferring iPhone contacts to a new iPhone or to an Android. Links to solutions for both cases can be found below.
Watch the Video Demo : http://www.youtube.com/watch?v=L3K0kaod9TUiPhone Contacts Backup is a useful tool to export contacts from iPhone as CSV and vCard files for importing to other applications like: Yahoo Mail, Gmail, etc.This video tutorial will show you how to import iPhone Contacts to Yahoo Address Book in details. Watch it to get the easiest solution.
It isn't possible to reactivate a deleted orkut profile; however, you can create a new one. The best solution for is, export your contacts to your Hard disk (in gmail contacts options or in orkut in friends options) and again import contacts and send them request after creating new account.
You can buy one without an upgrade but it will cost you a lot more money
If you saved your contacts onto your computer just sync the contacts between your computer and your new phone. If the two iPhones have the same iTunes account, you can use iCloud to transfer phone numbers from iPhone 2G to iPhone 3G.
Yes they do but remember to upgrade to the latest iOS version 6
If you have the iphone 2g(the one with black and white back cover),then the answer is no..But if you have iphone 3 or 3gs,they will let you upgrade the phone to iphone 4 as long as you pay for the new iphone 4. Hope this Helps. And by the way,if the iPhone is Jailbroken,or unlocked,then they won't let you upgrade it. so make sure you restore your iphone before you trade for a iphone 4