iCloud Keychain Won’t Stay On After iOS 26? Fix It
iCloud Passwords and Keychain won’t stay on after iOS 26? Often the toggle lies while sync still works. Test it first, then fix the real causes.

Pick your device to see every fix in one place.
iCloud Passwords and Keychain won’t stay on after iOS 26? Often the toggle lies while sync still works. Test it first, then fix the real causes.
Apple Watch shows unread messages you already read on watchOS 26? Dismissing no longer marks them read, and the update switched off iMessage Send & Receive.
iPad only mirrors a monitor and won’t extend on iPadOS 26? Extending needs an M-series iPad and a 1080p display, or iPadOS hides the option entirely.
Apple Maps stops following you and goes silent when your iPhone locks on iOS 26? Turn on Directions Wake Device, turn off Low Power Mode, and update iOS.
A Space goes black when you swipe between full-screen apps on macOS Tahoe? Turn Displays have separate Spaces back on, or run killall Dock to redraw.
iPhone won’t work as a wireless Mac webcam on macOS Tahoe? Plug in any camera, allow ContinuityCaptureAgent through the firewall, and turn off VPN.
iPhone Mirroring timed out connecting on macOS Tahoe? Usually a requirement slipped. Sign out of iCloud and back in, match the Wi-Fi address, and turn off VPN.
macOS Tahoe moved your files to iCloud? 26.2 silently switched on Optimize Mac Storage. Turn that toggle off, and leave Desktop & Documents Folders alone.
Messages won’t send photos after iOS 26 or iPadOS 26.2? Usually the thread dropped to green SMS, or the Photos button moved into the new plus menu.
Safari bookmarks not syncing across iPhone, iPad, and Mac on iOS 26? Check the one iCloud switch and account, then rebuild the store for stubborn cases.