How to switch iOS backup methods

A reader wants to backup and restore an iPad away from his usual iTunes setup.
ios 9 backup
Apple
    Related:
  • iOS
  • iPad
  • iPhone
  • iOS 9
Glenn Fleishman’s most recent books include Take Control of iOS & iPadOS Privacy and Security, Second Edition (covering iOS 15/iPadOS 15), Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.