iOS: How to update your iPhone, iPad, or iPod touch

iOS is a mobile operating system developed by Apple. The iOS update can be done on the iPhone, iPad, or iPod wirelessly or by using the computer. Create a backup of your device using iCloud or computer before you update. In iOS 12 or later, or iPad, you can have your device update automatically. Check if your computer is using the personal hotspot on the device that you are updating, then you need to connect your computer to a different Wi-Fi or Ethernet network before making an update.