iTunes error 8392 usually occurs when you try to update the apps on your iOS device using iTunes. This may be due to several factors, such as an unstable Internet connection or problems with the iTunes application. The list below lists the recommended troubleshooting steps that you must follow to resolve the problem.
Just to let you know that the iTunes error 8392 may occur on Windows and Mac. Although this problem only comes from Apple and they can really prevent it from happening to future users or those who update iTunes, we have found a solution to fix it.
Method 1. Make Sure of Strong Wi-Fi Connection
Even though checking the Wi-Fi connection is pretty simple, it's very easy to overlook it. So before taking the other 3 methods, make sure that you are using a strong Wi-Fi connection.
Method 2. Try to update the application not at peak time
As noted earlier, when a number of users try to update an application, the risk of iTunes error 8392 multiplies. So you can choose to update it when fewer users do it.
Method 3. Update the applications one by one
We found that the iTunes error 8392 occurred primarily when users chose to update all apps. Thus, when you have several applications to update, like more than 3, you can choose to update them one by one. By the way, many users respond that it works.
Method 4. Delete the application and download it again in iTunes
The last practical tip to fix the iTunes error 8392 is to first remove the application in iTunes and then download it again in the iTunes Store. Please note that you can not delete applications instantly on iPhone iPad, or your settings and other data will disappear. Once you have installed the application again, you must synchronize it with your iPhone, iPad or iPod with iTunes so that the updated application can have all the user data without losing anything.