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Retaining the Old Passcode for 72 Hours
In iOS 17, when you change your passcode, the previous passcode remains active for a duration of 72 hours. If you forget the new passcode during this period, you can still reset it using the old one.
Expiration of the Old Passcode
After the 72-hour timeframe, the old passcode automatically expires and can no longer be used for resetting purposes. If you forget your passcode beyond this point, you must perform a device reset, which will erase all your data.
Resetting a New Passcode Using the Old Passcode
Follow these steps to reset a new passcode on your iPhone using the previous one:
- Enter an incorrect passcode several times on your iPhone.
- At the bottom of the screen, tap the “Forgot Passcode?” option.
- Select the “Reset Passcode” option to proceed.
- Enter your previous passcode from your iPhone.
- Create a new passcode and enter it twice for confirmation.
Disabling Old Passwords Immediately
If you prefer to turn off the validity of old passcodes immediately after changing them, follow these steps:
- Open the Settings app on your iPhone with iOS 17.0 or later.
- Select “Face ID & Passcode” (or “Touch ID & Passcode,” depending on your device).
- Enter your new passcode.
- Look for an option to disable the validity of old passcodes immediately after a change.
Ensuring Security with Passcode Reset
With this new security feature in iOS 17, users can reset their passcodes if they forget them, provided they do so within the 72-hour window. Additionally, turning off old passcodes immediately adds an extra layer of security to safeguard personal data on iPhones.