Download Failed for Big Sur Beta 2

Wondering if anyone is having the same issue I'm having and/or if anyone would have any idea how to fix this
When I try to install Big Sur Beta 2 I keep getting Download Failed: An error occurred while downloading the selected updates. Please check your internet connection and try again.

I tried resetting Software Update to non beta then install the beta setting again but that did not help...

Any help / suggestions would be greatly appreciated...
Answered by GoD Brutus in 619606022
Alright so I took a look at this on my side and just doing first aid on the disks doesn't help.

Since I'm not comfortable with changing the startup security to high (it bricked my computer 3 times when I did that during Catalina Beta) I tried something that sounded more safe and doesn't require any changes to your system...

Restart your computer and hold the shift key to boot into safe mode and then start the update from there.

Worked wonders for me with startup security to none...

I'm now on Beta 2 :D
I think the developers have put the wrong response in the error block. The response should be 'You are out of DiskSpace. Please remove the unwanted file and apps'. I don't know how much space is required for the update but I just removed some of the files and it worked for me. For me the update size of 3.27 GB (macOS Big Sur 11.1).
The cause of that error in my MBP was free disk space
Download Failed for Big Sur Beta 2
 
 
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