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Hello, it is a problem to install iOS 15.2.1 for my iPhone 10 XR. Every time when I try to install it I get information on the screen: Unable to Install Update An error occurred installing iOS 15.2.1. Retry or Remind me later.
How to solve this problem?
Thank you in advance for help
Jack
iPhone XR
Have you tried plugging your iPhone into your Mac and installing from the Finder? 
Have you tried plugging your iPhone into your Mac and installing from the Finder? 
Problem with iOS 15.2.1
