


Solution # 4: Free up Space on Your iOS Device Step #4: Wait for the complete installation setup.during the whole process time, your iPhone will reboot. Click on the update button and Wait for your Mac/PC will download the latest iOS firmware from the internet and install it after that.

Step #3: Go to the iPhone summary tab and Find the Update iPhone button.Step #2: Now Connect your iPhone via USB-lightening cable to Finder/iTunes on Mac or PC.Step #1: Open the Apple iTunes/Finder on your Mac or PC.Follow the simple steps that allow you to download the latest iOS update without WiFi or OTA update. Earlier MacOS and PC users can use iTunes for Backup and Update iOS devices as usual. ITunes support is revoked by apple use Finder on macOS Catalina or later macOS version. Solution # 3: Update using iTunes/Finder on PC/Mac, Download iOS and Update
