How to backup contacts and calendar from Apple iPhone 4S

PhoneCopy.com makes it simple to back up your contacts from Apple iPhone 4S to the cloud. In this guide, we will walk you through the entire process step by step.
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!

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:
Contacts can be then transferred to another device (eq. iPhone, Nokia, SonyEricsson, Samsung, LG etc). See PhoneCopy site for supported devices.