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Yes for a one-off backup, I'd just use a computer. You just need a normal, regular USB-C cable (essentially like the charging cable you use, just instead of plugging it into the power brick, you plug it into a USB port in your computer).

If you only have a PC, not a Mac, I believe you use iTunes software to create a backup. Should be fairly straightforward.

 
Y’all OP’s out of the party. But thanks for sharing your helpful tips, yes indeed we do have to do any type of backup in order to ensure that the personal data is properly maintained and preserved should the iPhone be wiped during repair.

To sum up:
Either use Finder on Mac or iTunes on windows to backup y’all’s iPhones into your computer.
You can also use the temporary iCloud storage option in Reset or Erase iPhone section to backup your iPhone by allocating temporary spare storage. Though it’s intended to help users avoid paying for iCloud storage upgrades on restoring from backups it is useful when your iPhone needs to be restored for any reason.

Just make sure to do a complete backup the night before you head to Apple Store!
 
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Yes. They require the most up-to-date iOS version installed for their diagnostics to be carried out prior to the battery replacement. They’ve always checked my iPhone is on the highest possible iOS version prior to a battery service.

Late to the party, but just stopped into the Apple Eastview (Rochester, NY) store while here on business trip to get an iPhone 13 Pro battery replaced under AppleCare+.

Running 18.7.8 so it is a supported version but the nice person who helped me explained they typically require iOS to be at the most recent version for battery related checks to be performed once the battery is replaced.

I noted for Apple to not post somewhere when scheduling service that your iOS will be upgraded to the most current version as part of a battery replacement is not very customer facing (wasted about 1.5 hours of my time and bit of there time).

Will wait until iOS 27 comes out (or a future version of iOS 26) as our org has had poor luck with iOS 26 on multiple models.
 
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Late to the party, but just stopped into the Apple Eastview (Rochester, NY) store while here on business trip to get an iPhone 13 Pro battery replaced under AppleCare+.

Running 18.7.8 so it is a supported version but the nice person who helped me explained they typically require iOS to be at the most recent version for battery related checks to be performed once the battery is replaced.

I noted for Apple to not post somewhere when scheduling service that your iOS will be upgraded to the most current version as part of a battery replacement is not very customer facing (wasted about 1.5 hours of my time and bit of there time).

Will wait until iOS 27 comes out (or a future version of iOS 26) as our org has had poor luck with iOS 26 on multiple models.
So it doesn’t matter if y’all replace the battery for zero cost under AppleCare+/one right?
 
Correct, based on my situation.
And ngl they would only update if they ever had to use Apple Configurator to do a restore in any way

Possible they also can do diagnostics on iPhones running betas. I have gotten my iPhone 15 Pro checked out at an Apple Store due to battery health concerns on the 26 beta, and the Genius did pop it on the diagnostics and ran it when iOS 18 was still the only current public release that summer.
 
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