Log in using an administrator account, not a guest account.Make sure that the date, time, and time zone are set correctly on your computer.When iTunes asks you to update or restore, click Update (not Restore) to reinstall iOS and keep your personal data.Try to restore your device on another computer.Try to restore your device using another USB cable if the previous cable does not work. Connect your device to your computer using a USB cable.If you restart your computer for an update, check for updates again after you restart. Contact Apple Support to ask about service options for Touch ID. If Touch ID on your device didn’t work before you saw error 53, the feature still won’t work after you update or restore your device.When you see your iOS device’s Hello screen, follow the onscreen steps to set up your device.When you see the option to Restore or Update, click Restore. If you can’t get past the Apple logo screen, force restart your iOS device.iTunes will try to reinstall iOS and restore your device without erasing your data.1 When you see the option in iTunes to Restore or Update, click Update.Connect your iOS device to your computer with a USB cable.Make sure that your device has the latest version of iTunes.If your iOS device is plugged into your computer, unplug it.Try using a different USB cord to connect your phone to the computer.Try to temporarily disable your computer security software system.Try connecting your phone to a different USB port in your computer ( make sure not to use a USB hub).Make sure that your computer is running on the latest software updates.Make sure you have the latest version of iTunes installed in your computer.When this happens the steps that you should perform are listed below. These errors are usually caused by iTunes not detecting the phone or iTunes can’t connect to the Apple servers. Sometimes though you might experience some issues wherein errors can occur. Updating your iOS device using iTunes is usually a smooth process.

Update itunes software