Incorrect Pass code too many times.
I entered the Passcode incorrectly too many times. Now it says I can approve the iPhone from another device. How do I do that without the keychain? or Apple Device?
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If your iPhone has iOS 15.2 or later installed, check out this link→How to reset your iPhone, iPad, or iPod touch when you forgot your passcode - Apple Support
Otherwise, see this Apple support link→If you forgot the passcode on your iPhone, or your iPhone is disabled - Apple Support
Or watch this companion video ⬇️
After restoring the phone using one of the methods above you can restore your most recent backup.