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[Solved] How to Fix Unknown Error in Restoring iPhone

August 24, 2018 04:59 pm / Updated by Jerry Cook to iPhone Topics
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“Q: Unknown error in restoring iPhone

I am unable to turn on my iPhone or restore it due to unknown error. Any ideas on how to fix this?”


iphone unknown error

Since Apple Company issued iOS 12 on WWDC, lots of users may have a try by updating their iOS device to iOS 12 beta. However, when they try to downgrade by restoring iPhone/iPad/iPod touch, iPhone unknown error 9/14/4013 may occur. What can we do to fix this iPhone unknown error when restoring? Let’s check out in the following content.

Fix Unknown Error by Reinstalling iTunes

Use Tenorshare ReiBoot to Solve Unknow Error on iPhone

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.14 and below
Secure Download

Download and install this software on your Windows/Mac, launch it and connect your iPhone 7/7 Plus/SE/6s/6/5s/5 with it via USB cable.

enter recovery mode

Click “Enter Recovery Mode” and your iPhone will show you iTunes and USB icons on the screen, then “Exit Recovery Mode” will be highlight, click it and your iPhone will reboot in seconds.

exit recovery mode

This process can deeply restart your iPhone/iPad/iPod touch, and can help to fix various boot issues which may influence the restoring process. After this enter/exit operation, you then may connect your iPhone with iTunes again to restore.

Whereas, if your iOS device’s operation system broken, you will need to it repaired. Just select the third function of Tenorshare ReiBoot “Fix All iOS Stuck”, this process will repair your iOS operating system without any data loss.

Tenorshare ReiBoot will automatically detect the status of your iPhone, if your iOS device works well, you will see the interface below. If it performs abnormally, you can also get it repaired by following the steps Tenorshare ReiBoot give to you.

functioning operating system

Check Windows/Mac to Settle Unknow Error

Change A Computer to Restore iPhone

That’s all about how to fix iPhone unknown error (-50), (--1), (-54), etc. You can follow the order to repair. If you have any other suggestions or problems, don’t hesitate to come to us.

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.14 and below
Secure Download
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