The most common ground of all is a corrupted update. So, you might want to free up your space and delete unnecessary files. You don't need to do something about it, but it will bite you back once the update is available. You can ignore it for as long as you want.

After the Update or Restore completes, set up your device.Second, it's normal to see the storage warning on your phone.

Your computer will try to reinstall the software without erasing your data. Wait while your computer downloads the software for your device. If the download takes more than 15 minutes and your device exits the recovery mode screen, let the download finish, then repeat step 3. When you see the option to Restore or Update, choose Update. Keep holding them until you see the recovery mode screen.

iPhone 6s or earlier, including iPhone SE (1st generation), and iPod touch (6th generation) or earlier: Press and hold both the Home and the top (or side) buttons at the same time.

Keep holding them until you see the recovery mode screen.

iPhone 7, iPhone 7 Plus, and iPod touch (7th generation): Press and hold the top (or side) and volume down buttons at the same time.Then, press and hold the side button until you see the recovery mode screen. Press and quickly release the volume down button.

iPhone 8 or later, including iPhone SE (2nd generation): Press and quickly release the volume up button.Keep your device connected and wait until the recovery mode screen appears:.If iTunes is already open, close it, then open it again. On a Mac with macOS Mojave or earlier, or on a PC, open iTunes. On a Mac with macOS Catalina or later, open Finder.If you're using iTunes, make sure you have the latest version of iTunes.

Make sure that your Mac is up to date.

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