How to fix iPhone 9006 constantly restarting error

While the iPhone offers one of the best user experiences on a smartphone, it is also unavoidable with some frustrating issues. 

Fix iPhone constantly restarting error, error 9006

Error 9006 appears when you connect iPhone to iTunes on macOS or Windows, or when you are updating software, there is a connection problem. In addition, users also reported some other symptoms such as black screen or stuck while syncing because iTunes cannot complete the process.

Network connection problem

Error 9006 could be caused by an unstable network connection signal, so check the network and try again. When iTunes cannot communicate with Apple Server, it gives error 9006. If you are connecting to a Wifi, you can try some other network and check if the problem is solved. If Apple's servers or the iOS Software Update are both busy, you might want to try again after a while.

If the problem occurs when iPhone connects to the computer, the cause may also be due to the firewall configuration on the computer. Both Windows and macOS have firewall settings, so to make sure your iPhone isn't blocked, use update and sync.

Update iTunes

iPhone needs to update to the latest version of iTunes if they are connected and to sync or update the software. You must also update iTunes on Windows or macOS to the latest version. Once iTunes is updated to the latest version, try restarting your phone. This may be a temporary issue only as iPhone is blocked by iTunes updates.

Fix iTunes error by Dr.Fone - System Repair (iOS System Recovery)

If the above methods don't work, you can fix iTunes error by using Dr.Fone - System Repair (iOS, can fix iTunes error without harming data on the device). This software is useful when the iPhone keeps restarting or the screen is stuck at the Apple logo. Dr.Fone has a lot of tools to fix iOS system errors, solve connection and sync problems. If you're having problems with iTunes, here's a great piece of software that can save you a lot of time.

Step 1 : Download the software and install it on the computer. When the installation is complete, the software will offer a lot of programs, one of which is System Repair . Click to select this program. There will be three more options are iOS Repair , Android Repair and iTunes Repair . iOS Repair will only be useful when fixing problems on the phone, but to fix iTunes errors, select iTunes Repair .

Step 2 : Next, choose Repair iTunes Error from the given options. It can fix almost all bugs, including error 9006.

Step 3 : Click Repair iTunes Error , this option will work on all iTunes installations. It checks the iTunes version, supported devices, and supported apps. There is also a debugging mode that extends to address more problems.

Once the error is fixed, you can update and sync your iPhone when connected to a PC or Mac. You may need admin rights in some sections to change some settings and update software.