If you do not known process of backing up data from iPhone to iTunes then this instruction page will assist you step by step. You can store your personal data, videos, photographs and favorite songs on iPhone and can access them anytime and anywhere. For any iPhone, iTunes is the best option to purchase and download music or video. The below mentioned steps will help you to back up data from iPhone to iTunes
Note: You need to have a Computer, latest version of iTunes and a USB Cable
Step 1: Connect your iPhone to computer using USB cable. Open application on your computer. Make sure you have the latest version of iTunes. Now iPhone can be seeing in iTunes at the left top tab.
Step 2: Click on iPhone symbol. You will find that whole page is changed. Now, select summary from left panel. After going into summary, select computer option and click on it.
Step 3: Click on Back up data. It will back up all data from iPhone to iTunes.