I am facing a software update issue.

[Royals95]

My device is S21 Ultra. When I click on software update, a registration failure appears. I was factory resetting my device after the reset but still facing the same issue.Any one tells me how Fix this. Thanks 

[user9992112]

This only happens on a rooted phone

[Royals95]

But brother I was check this
My Phone is not rooted

[Royals95]

But my phone is CP ID approved

[user9992112]

Cpid phones get updated randomly or most bad cpid phones don't get updates at all

[Royals95]

Can I update through pc bro