How to reset and restore your iPhone | Apple Support — by Apple Support
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Apple Support explains how to reset and restore an iPhone.
iPhone
Video Walkthroughs
6 curated resources, easiest first.
How to restore an iPhone from an iCloud backup | Apple Support — by Apple UK
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Apple Support (via Apple UK) shows how to restore an iPhone from an iCloud backup.
How to transfer your data and set up your new iPhone | Apple Support — by Apple Support
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Apple Support covers transferring data and setting up a new iPhone.
How To Put An iPhone In DFU Mode & DFU Restore Your iPhone! — by Payette Forward
intermediatevideo
Payette Forward walks through putting an iPhone in DFU mode and doing a DFU restore.
How to Put iPhone in Recovery Mode / DFU Mode (All Models) — by Technomentary
intermediatevideo
Technomentary shows how to put iPhones into recovery or DFU mode, covering all models according to the title. Button sequences vary by model, so check yours.
iPhone 16: How to force restart, recovery mode, DFU, wireless restore nearby iPhone, etc! — by 9to5Mac
intermediatevideo
9to5Mac covers force restart, recovery mode, DFU and other restore options on the iPhone 16.