How do I back up my iPhone to iCloud?
Backup icloud
[Re-Titled by Moderator]
iPhone 6, iOS 12
Question marked as
"How do I back up my iPhone to iCloud?: Backup icloud"
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Backing Up iPhone to iCloud:
Go here: How to Back Up your iPhone or iPad with iCloud - Apple Support
Notes:
iCloud does not back up everything. See here: hWhat does iCloud Back Up? - Apple Support. To back up your iPhone in-full, you'd have to back up your iPhone to a computer.