Can't finish downloading software update within 15 mins. How to know my Mac continue downloading it??

Hey sarab026,

Let's try the following steps below:

If your iPhone or iPad won't update

If the update doesn't complete

If you're installing the update, the progress bar might appear to move slowly. The time an update takes depends on the size of the update and the number of files on your device.

When you're updating over the air, keep your device connected to a power source. If your device runs out of power, connect it to a power source and turn on the device to let the update or restore complete.

Learn what to do if your iPhone or iPad appears frozen or won't start.

Also, try these steps below:

Remove and download the update again

If you still can't install the latest version of iOS or iPadOS, try downloading the update again:

1. Go to Settings > General > [Device name] Storage.

2. Find the update in the list of apps.

3. Tap the update, then tap Delete Update.

4. Go to Settings > General > Software Update and download the latest update.

If you don't see the update in the list of apps or if the issue happens again, you need to update your device with your computer:

* Update your device using a Mac with macOS Catalina or later

* Update your device using a Mac with macOS Mojave or earlier, or a Windows PC

Learn how to use recovery mode if your computer doesn't recognize your device or your screen is stuck on the Apple logo for several minutes without a progress bar.

Let us know how it goes!

Best regards.