iTunes error 50 is an unknown error occurred when syncing iPhone/iPad or downloading media files from iTunes. And you’re most likely to receive the message “The iPhone cannot be synced. An unknown error occurred (-50)" when happening.
So, it’s indeed an annoying issue. Well, why it occurs? In fact, a variety of reasons may cause the error, for instance:
The following part is the most common and effective methods to fix iPhone sync error 50. Just refer to the easy and quick ways below to repair the error. Besides, there are other simple fixes to try, such as checking the SIM card, scanning your device for viruses, contacting Apple Support, etc.
The first method is to check the network connection or Wi-Fi router for any issues (such as the USB cable and ports). Please fix the connection failure or slow connection issue. After that, try removing your iPhone and reconnecting it to iTunes again. You can also try to restart your iPhone to see if that fixes the error.
In some cases, firewalls and antivirus software will block or stop any operations from iTunes, which may be thought as a suspicious program. Hence, you should check the blocked software list to make sure iTunes is not on the blocked list. And enable the related domains are allowed.
Additionally, you may try to fix an unknown error occurred 50 by disabling the antivirus program if it’s possible. Then check whether the method works out.
The version of iTunes will result in the issue that the iPhone cannot be synced and an unknown error occurred (-50). please update and reinstall your iTunes to fix it. Here are the steps you can follow.
To update iTunes:
Open the iTunes app > Select Help from the top menu bar > Click Check for Updates and wait > Follow the on-screen instructions.
To reinstall iTunes:
Open the Control Panel > Go to Programs and Features > Locate iTunes and click Uninstall > download the iTunes again on your computer.
The iTunes registry files on Windows could be incorrect about the settings, or it could simply become corrupt, resulting in an unknown error occurred 50. You can check the instruction to clear the iTunes registry files.
Press Windows + R to open the search box > Type “regedit” and press Enter > Click Yes if you see a User Account Control window > Select File from the top menu bar.
Then choose Export and click Save to create a backup > Select Edit and Find from the top menu bar to locate the iTunes folder in Registry Editor > Right-click on it and select Delete.
Instead of trying to fix iPhone sync error 50, you can choose to use an iTunes alternative to transfer data between iPhone and PC. Well, we prefer to recommend you powerful iPhone transfer software - AOMEI MBackupper, which can require only simple clicks to transfer iPhone to iPhone or iPhone to PC, even PC to iPhone.
Now is the time to free download AOMEI MBackupper and find more amazing features.
Step 1. Connect your iPhone to PC with a USB cable. Once connected, tap Trust this device on your iPhone screen.
Step 2. Run this iPhone transfer software. On the interface, choose Transfer to Computer.
Step 3. Click the plus icon to add data from iPhone.
Step 4. Click Transfer to start transferring iPhone data to PC immediately.
Step 5. When transferring process is finished, you can locate and check the data.
Methods for fixing an unknown error occurred 50 in iTunes are summed up above in this guide. Hope one of them can work for you. At last, if you want to transfer your iOS data in an easier way, you can give it a try with AOMEI MBackupper, which can also create iPhone backup, and allow you to preview all backed up files before recovery and only restore the files you selected.