
Syncing your iPhone to iTunes to produce iTunes backup file on your computer is always the first choice for backing up your iPhone data before iOS 9 update in case of accidental data loss. In spite of its complicate backing up mechanism, backing up with iTunes gives a peace mind that your iPhone data is protected once something goes wrong during the iOS 9 updating and causes data missing.
Surprisingly, there is a piece of free software, iFoneBackup, can back up all your iPhone data to your Windows computer before the iOS 9 update just with a single click. Thus it is claimed to be the easiest iPhone backing up tool around the world.
It backs up everything on your iPhone just as iTunes does and the backup file created with iFoneBackup can also be used to restore your iPhone just like what you can do with iTunes backup file.
In this way, there is no need to worry about the conditions such as iTunes does not work properly, or iTunes backup file is damaged. In terms of backing up iPhone data, it can be a perfect alternative to iTunes.
One click to backup your iPhone to your Windows computer completely for free! Now let’s get down to the detailed steps about how to back up your iPhone data before the iOS 9 update to your Windows computer.
Step 1: Install iFoneBackup
Download the full version of iFoneBackup for Windows for free and install it to your computer. Get it started after the installation.

Note: iFoneBackup is supposed to be available for both Windows and Mac, and the Mac version is not available now but will be coming soon.If you want to back up your iPhone to Mac computer, please refer to the guide about how to back up iPhone to Mac.
Step 2: Connect iPhone
Connect your iPhone to your Window computer. If you iPhone cannot be recognized and the “Back Up Now” button does not pop up, please check whether your iPhone is still passcode locked or you haven’t confirmed “Trust this computer”. Click “Back Up Now” after your iPhone is recognized.

Step 3: Back Up
Wait till the backing up finishes. The time for finishing the backing up depends on how much data you have saved on your iPhone.
