What is error 52? How to fix it?
iTunes error 52 appears when you try to restore your iPhone, iPod, or iPod touch, but for some reason the restoration process fails.
The most common reasons for this error are:
To fix this error, and restore your device, check out the solutions below, and follow them to the detail.
If you tried everything else to fix the unknown error 52, but nothing worked, take your device to a repair shop to have it repaired, because maybe the device's lightning port was damaged, or perhaps a motherboard part.
The lightning cable is made of smaller cables (wires) that connect the USB port and the lightning port. If at least one of the wires is cut, then the connection between your computer and iOS device won't be established well. Maybe the USB cable is the reason for error 52. To test this, try restoring your device with another USB cable. If you were able to restore it successfully, consider replacing the USB cable.
Note: Please note that you will need a genuine USB cable to restore your device. If you have recently replaced your cable, and bought a cable from an unauthorized reseller by Apple, it's very likely you bought a fake cable.
If none of the other solutions listed here worked, and the unknown error persists, try restoring your device from another computer, following the instructions from the video below.
It is possible that some of the files iTunes uses are corrupt, and instead of helping, they are hindering iTunes. If you tried all the other solutions, but none of them worked, in order to fix the unknown error 52 in iTunes, and restore your device, reinstall iTunes. By reinstalling iTunes, all the old and corrupt files will be overwritten by new and intact ones.
To reinstall iTunes, you need to uninstall it from your computer, and then download and install the latest version.
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