The iTunes error 9, also known as iPhone error 9, usually occurs when you try to upgrade to the latest iOS version, restore iPhone or iPad from backup with iTunes and etc. When you have the iTunes error 9 issue, you will receive an error messages from iTunes, stating like "The iPhone "iPhone" could not be restored, an unknown error occurred (9)". If so, please don't worry, you can get the effective suggestions to fix iTunes error 9 or iPhone error 9 in this article.
Here it is recommended a all-in-one and professional recovery tool - iOS System Recovery to fix iTunes or iPhone errors, such as iTunes error 1671, iPhone is in black/blue/red/white screen, iPhone stuck in Apple logo, iPhone gets stuck in recovery mode and etc. Besides, all generations of iOS device are supported by this program, including the iPhone X/8 Plus/8/7/7 Plus/6s/6s Plus/5s/SE, iPad mini, iPod touch and etc.
Now, don't hesitate to download the free trail of the software in Mac or Windows version on your computer to fix iTunes or iPhone error 9.
Steps to fix iTunes error 9 without data lost:
Step 1. Please click the above download icon to download the right version of the program on your computer, then launch it after installation. And connect your iPhone to computer with a USB cable and visit "More tool" > "iOS System Recovery"on the main interface.
Step 2. This program will automatically detect your iPhone and show the possible problems of your phone, like Error 9, Error 27, Screenshot Not Working, Stuck at Apple logo, Recovery mode and etc. Please click "Start" button to continue.
Step 3. In this step, please confirm your iPhone information as asked. If the the information is right, just click "Repair" button to start fixing iTunes Error 9 issue. If not, just select the correct one and then hit the "Repair" button to begin repairing.
The program will download the latest firmware version of your device to fix the iOS system issue after detecting your current iOS version. Just wait for a while and your iPhone error will be fixed soon
See Also: iPhone is Disabled? - How to Fix it?
1. Update iTunes to Get Rid of iTunes Error 9
You may encounter iTunes or iPhone error 9 if you are running an old or outdated iTunes version, which does not support your device. So please try to update iTunes to the latest version to resolve the iTunes error 9.
Way 1: You can download the latest iTunes version from Apple official website: https://www.apple.com/itunes/download/ on your computer.
Way 2: Or you can also go to "Help" > "Check for Updates" to get the latest iTunes version on iTunes main interface.
2. Restore iPhone to Factory Settings to Solve iTunes or iPhone Error 9 (Data Lost)
If there are some software problem on your iPhone, iPad or iPod touch, iTunes or iPhone error 9 also may appear. You can restore your iDevice to factory settings to fix this issue, however, please be aware that this will lead to unexpected data lost on your iOS device. Unless you want to erase all data and settings on your iDevice, you are advised to apply the advanced way in Part 1, or create a backup before the process.
Here is how to factory reset iPhone to fix iTunes or iPhone error 9:
Step 1. Firstly, you might need to erase your iPhone data and settings. To do so, please unlock your iPhone and go to Settings > General > Reset > Erase All Contents and Settings.
Step 2. Then tap Erase iPhone option on pop-up window to begin erasing iDevice. Finishing the erasing process, all data and setting on your device will be wiped out.
Step 3. Now you might Restore your iPhone data from iCloud or iTunes backup. Just select either the "Restore from iCloud Backup" or "Restore from iTunes Backup" option on "Set up your iPhone" window when your iPhone restarts, then follow the screen to start restoring data from iCloud or iTunes backup. It may take more than 1 hour for the restoration if the size of backup is too large.
Please make sure there is enough storage space on your device for the restored iCloud or iTunes backup, and the backup also contains all the data you need on your device, especially the new contents.