How to transfer contacts and calendar from Apple iPhone 4S to Apple iPhone 5
Transfer contacts and calendar from your Apple iPhone 4S to the cloud server
We used PhoneCopy.com service for this guideline. Using it, your can backup your contacts from your Apple iPhone 4S easily. The whole backup, including the settings, can be done in several minutes.
Run the Apple AppStore on your iPhone and search for PhoneCopy application, which you can download free of charge. After downloading and installation, go through the following steps.
Then you need to allow PhoneCopy access to your contact list and select contacts which will be synchronized
You can synchronize photos and videos too.
And now it's time to transfer data to your Apple iPhone 5
Now you have all your contacts backed up on PhoneCopy and you can edit all your contacts in your online account. If you lose your phone or the stored data, or if you just run out of battery, you can see your contacts online.
Some additional tips:
On your online account, you will see full history of your contacts, as well as the data that you've deleted in between the synchronizations. You can find them in an archive from where you can restore them. And if this is still not enough of a backup for you, you can download a CSV file, that you can store in your computer.