Fix iTunes Error 1671 When Restoring, Updating iPhone iPad to iOS 12/11

Posted by Abby Poole to iTunes, Apple Resources, iOS 12 Update | Updated on Jan 14, 2019

What to do - iPhone got stuck on recovery mode/iTunes error 1671.
My iPhone 7 is on iOS 12. Tried to downgrade from iOS 12 to iOS 10 as I'm suffering with iOS 12 problem of fast battery drain, but error 1671 occurred and now it's stuck in recovery mode. Every time I try to restore it, Error code 1671 pops up. Nothing can be done. Please help.
I am getting an unknown iPhone error 1671 when connecting to iTunes after getting an iPhone 7 Plus update.

Many users sometimes are flustered by the iTunes error 1671 and have no idea how to deal with. We gather a list of solutions to iTunes error (code 1671) with a brief breakdown of what the error is.

Also Check the Full iTunes Error Codes and Solutions >>

What is iTunes Error 1671? Why Does the Error Appear

iTunes error 1671 message pops up telling that "there was a problem downloading the software for the iPhone. An unknown error occurred (1671) " or "the iPhone software update server could not be contacted. An unknown error occurred (1671)". The iPhone error 1671 often appears when syncing, doing a backup, restoring iPhone iPad or updating to iOS 12 (11.3/11.2). Error 1671 in iTunes means that it is downloading software. Wait for a few minutes and try again later.

Common Reasons for iTunes Error 1671
* iTunes you are using is not a new version.
* Your computer's operating system needs to update.
* iTunes fails to connect with the Apple software-update servers.
* Security software on your computer may cause iTunes unknown error 1671.
* Your iPhone or iPad are jailbreaking.
* Your device is running a beta version of iOS.
* You are trying to downgrading from iOS 12 to iOS 11.
Now, you may have some clues to how to fix iTunes iPhone error 1671. Read troubleshooting tips below.

How to Fix iTunes Error 1671 (iPhone Error 1671)

* Wait for a while and try again.

* Update iTunes to the latest version. The current iTunes version available is 12.8, adding support for iOS 12. But you need to know that iTunes won't sync ringtones, apps etc. to iPhone iPad since iTunes 12.7.

* Update your computer. Install macOS High Sierra update for macOS (or macOS Mojove bundled with iTunes 12.9), Or get your Windows updated.

* Restart. Quit iTunes, turn off your computer and iPhone or iPad and turn them again to see if iTunes error code 1671 disappears.

* Directly connect your iPhone iPad to your computer's high-speed USB port instead of an attached keyboard or USB hub if iTunes failed to sync with iPhone, or iTunes doesn't recognize iPhone, as Apple Support suggests.

* Try a different USB cable. Many users are glad to find that this simple action solved iTunes error code 1671.

* Login with your administrative user account, which helps fix iTunes error 1671.

* Check if any software update is available and do the update. It also fixes iTunes error 9006, error 3004, error 3194, or some other iTunes error codes.

* Update, shut up or even uninstall security software that may cause iTunes error 1671 on your computer.

* Try to restore iPhone iPad in DFU mode. iPhone error 1671 should be fixed.

* Connect iPhone or iPad to your computer, open iTunes and try to update or restore again.

* Try a different computer to see if it's the computer that causes error 1671 in iTunes.

* Contact Apple Support to ask help if iPhone error 1671 still exists in iTunes when restoring, updating iPhone or iPad.

Also See: How to Fix iTunes Error 9, Error 14, Error 1671 , Error 54, Error 39

Transfer, Backup and Restore Data for iPhone iPad without iTunes Error 1671

iTunes pops up errors from time to time, such as error code 1671, 9006, 3194, to name a few. Why not switch to an iTunes alternative? MacX MediaTrans can transfer and backup iOS data in a way better than iTunes. It is able to transfer and backup ringtones, photos, music, videos, TV shows, movies, iTunes purchases, documents and more for iPhone iPad speedily and easily without iPhone error 1671. What's more, it does more than data backup and transfer. With the awesome alternative to iTunes, you can also make ringtones, delete/organize/manage files, remove DRM, convert file format, etc. It is fully compatible with the latest iOS 12 and iPhone X, iPhone 8/8 Plus. Follow steps below to give it a shot.

Step 1: Free download the iPhone transfer tool for macOS or for Windows and run it, connect your device to computer with a USB cable.
Step 2: Select file type you want to transfer on Mac or PC. For example, you can click Photo Transfer to transfer photos between iPhone iPad and computer, then select individual photos or select all.
Step 3: Click Export and all the photos you choose will backup from iPhone iPad to computer immediately. Click Add Photo, select photos from computer, then click Sync button at the bottom right corner to transfer photos from computer to your device. You can also delete photos and photo albums. It's quite the same to transfer and backup other data like music, videos, movies, books.

Related Articles and Tips

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[Step-by-step Guide] How to Backup iPhone to iTunes

For any questions with MacX MediaTrans, please feel free to contact our support team.