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Make Sure that you have backed up your iPhone or iOS devices to iTunes and have an iTunes backup file stored on your computer, and you have installed the latest version of iTunes on your Mac or PC computer. (The earlier version may cause failing to restore the lost data from iTunes Backup.)Step 1. Connect your iOS device to the computer with a USB cable.Step 2. Open iTunes on your computer to start with the procedure.
Step 3. Click on “File > Devices > Restore from Backup”, or else click the device button, go to the “Summary” tab and locate the button named “Restore Backup”.
Note: If Find My iPhone is enabled on your device, you first have to turn it off by going to “Settings > iCloud > Find My iPhone” on your device.Step 4. Choose the backup file you need from the available selection. Be sure to check the indicated device name and date of each backup to ascertain the most appropriate one for your device. Next click on "Restore" and wait a while for the process to run its course.
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