Easy and Quick Solutions to Fix iTunes Error 1638

Have you ever encountered iTunes error 1638 when you trying to restoring or updating iPhone or iPad using iTunes? If you don’t know how to fix this iTunes error, this post will help you to overcome problem in four different ways.

By iMobie | Posted: Aug. 14, 2018, Last Updated: Aug. 14, 2018
Home > PhoneRescue > PhoneRescue for iOS > Easy and Quick Solutions to Fix iTunes Error 1638

During iPhone or iPad restore and update, some users will get one of the iTunes errors codes. These errors are showing up for all kinds of reasons, but usually, with some simple things, you can solve the problem occurred. That is the case with iTunes error 1638. If you see “The iPhone cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable”, your computer might not be able to connect to Apple servers or your iPhone, iPad or iPod Touch. Here we provide four ways to fix iTunes error 1638.

How to Fix iTunes Error 1638 in 4 Ways

iTunes error 1638 means that there is a problem between iTunes and Apple’s servers, to solve this problem, you could follow these steps below.

Method 1. Check Third-Party Security Software

Check if the antivirus program, security or firewall software you’re using may prevent the ports or server gs.apple.com. Temporarily disable or uninstall the security software when you use iTunes.

Method 2. Restart Your iPhone

Restart your iPhone. Press and hold the Sleep/Wake button. Red slider will show up – drag it to turn off your iPhone. After turning off your iPhone, press the same button again to turn your iPhone on, and try to restore or update your iPhone again.

Method 3. Check and Edit the Host Files

Check and edit the host files to make sure that the computer can contact with gs.apple.com. First close iTunes, and then find host files in your computer. In Windows, the host file is located at C:\windows\system32\drivers\etc\hosts and in Mac it’s located at /etc/hosts. Open the host files and find any line that includes apple.com. Then add a number sign (#) and a space character to the begin of that line and press Control – O to save it.

Method 4. Update iTunes

Download the most up-to-date version of iOS using your PC’s iTunes application. Hold on Shift on Windows or Alt on Mac and click restore. Select the official firmware you have downloaded manually and wait for the restore to begin.

Sometimes when you try all the troubleshooting steps but would still getting the same error. This is the time when an alternative software is needed. Here we recommended PhoneRescue for iOS to help to restore your iPhone or iPad.

PhoneRescue is developed to save lost data and files in a most convenient way. It enables you to get back everything essential for you in every possible way. With just 3 clicks you can retrieve all your data, no tech knowledge required. Read the following steps to know how to restore iPhone without iTunes.

Step 1Download and run PhoneRescue in your PC/Mac > Connect your iPhone to it > Choose Recover from iTunes Backup and to the next step.

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How to Fix iTunes Error 1638 - Step 1

How to Fix iTunes Error 1638 – Step 1

When PhoneRescue detected your device, it will pop up a warning note that while running PhoneRescue, don’t open iTunes in case any conflict occurs.

Step 2Select an iTunes backup > Select the type of data you want to recover.

How to Fix iTunes Error 1638 - Step 2

How to Fix iTunes Error 1638 – Step 2

After selecting the data, PhoneRescue will start to analyze your backup files.

Step 3Select items you want to restore > Choose recover to device or to computer.

How to Fix iTunes Error 1638 - Step 3

How to Fix iTunes Error 1638 – Step 3

The Bottom Line

After trying all these troubleshooting steps, you might have solved your iTunes error 1638 problem. As you can see, PhoneRescue could help you to restore backups to iPhone without iTunes, which is also without iTunes error. If you are interested in PhoneRescue, why not download and have a try?


Member of iMobie team, an Apple fan as well as an anime lover. Like to share solutions on iOS and Android related problems.

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