Recent Apple Support/How-To/Troubleshooting Article Updates

- How to reinstall macOS.
- How to download and install macOS.
- Create a Bootable installer for macOS (added macOS Sonoma).
- Find out which macOS version your Mac is using (added macOS Sonoma 14.0).
- Apple Diagnostics: Reference (error) codes.
- How to download iOS 17.
- How to download iPadOS 17.
- About iOS 17 and iPadOS 17 Updates.
- How to update your iPhone or iPad.
- If your iPhone or iPad won't update.
- If you can't update or restore your iPad, iPhone or iPod touch.
- If you need more space for an update on your iPhone, iPad, or iPod touch.
- If your iPhone or iPod touch won't charge.
- How to factory reset your iPhone, iPad, or iPod touch.
- If your iOS or iPadOS device restarts or displays the Apple logo or a spinning gear unexpectedly.
(Many more at linked page.)