Cannot download Big Sur 11.1 security updates on mac mini 2014

I cannot seems to download Big Sur 11.1 security updates completely. It's been more than 9 hours long. And I really do know what really happen? I have check my local ISP and there is nothing wrong with the network at my end. How can the updates takes that too long to complete. It stuck there for hours without completing any tasks.
I am facing the same issue. I am not able to download the Mac OS update 11.1 in regular mode. In safe mode I can download but it won’t install after download gets completed. Stuck on 5 min left message.

please let me know a solution.
Cannot download Big Sur 11.1 security updates on mac mini 2014
 
 
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