How to backup contacts and calendar from Apple iPhone 3GS

Whether you are switching phones or just want a safe copy of your data, PhoneCopy.com is a great solution. This guide covers how to back up contacts from your Apple iPhone 3GS quickly and easily.
Register
Run the app and create new account.
PERMISSIONS
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. Please note that the authorization of photos or videos is not required. If you will not grant it, PhoneCopy will only synchronize your contacts.
Let's synchronize!

Well done — your contacts are now securely backed up in the cloud. Open your PhoneCopy account in any browser to review your data or make changes at any time.
Some additional tips:
PhoneCopy keeps a detailed sync history for your account. If you accidentally delete a contact, you can recover it from an earlier backup without losing any other data.