How to Unlock My OPPO Phone After 72 Hours of Trying
If your OPPO phone displays a message saying, "Lock screen password is required if not used for 72 hours," and your fingerprint or face ID no longer unlocks the device, don't worry— this is a built-in Google security measure. This security measure requires you to manually enter your password every 72 hours (or sooner) to maintain device protection. It helps verify that it's really you using the device and prevents unauthorized access in case of biometric misuse.
Note: Available for ColorOS 6.0 and above devices. Check your phone's ColorOS version in [Settings] > [About Phone] / [About Device]
What to Do If Your OPPO Phone Is Locked for 72 Hours
If you find your OPPO smartphone requiring you to unlock your phone screen after 72 hours of trying to unlock it, you have to do the following steps to regain access:
You have to manually input your lock screen passcode after your device has been idle for 72 hours.
After you have successfully entered your device's passcode, you are now good to go to use your fingerprint and face ID to unlock your device.
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*Pictures, settings, and paths might differ from those of your phone, but these won't affect the description in this article.