Backup my phone

"You guys" don't backup your iPhone, you do. See the instructions here for performing a backup of your iPhone after selecting a method. How to back up your iPhone, iPad, and iPod touch - Apple Support

Depending on your iCloud storage, they automatically get uploaded to iCloud, but if you exceed the maximum iCloud storage capacity, you will have to pay monthly.

How to back up your iPhone, iPad, and iPod touch with iCloud – Apple Support (UK)

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