Face Unlock FAQ
Solution:
1.Q: Can face unlock be used in low light environment?
A: It is theoretically possible, but it will increase the probability of unlock failure. Therefore, it is recommended to unlock under good lighting conditions.
2.Q: Can others unlock phone by face?
A: Not under normal circumstances, but if it is a person with a similar appearance such as a twin, there is a possibility of unlocking successfully.
3.Q: Does it support to unlock it with photos?
A: Live detection is added when the face is unlocked to avoid being broken by photos. However, due to the diversity of photo materials (such as electronic displays, photo paper, projection screens, etc.), this situation cannot be completely eliminated technically.
4.Q: Does it support to unlock face when close eyes?
A: The development version adds closed-eye detection. When the eyes are closed, the face cannot be unlocked to enter the system. However, the stable version has not yet added this feature. It can be unlocked with closed eyes. The subsequent updates will add closed-eye detection.
5.Q: Does the face unlock function increase power consumption?
A: Because face recognition requires the front camera to be activated, it consumes more power than normal, but the power consumption is within a controllable range.
6.Q: Can face unlock and fingerprint, digital, graphic and other unlock be used at the same time?
Before setting the face unlock, first enter the pattern, number or mixed password to ensure that if the face unlock fails, unlock the system by other means;
Face unlocking can also be used simultaneously with fingerprint unlocking. The two are independent of each other and do not affect each other.
7.Q: Is it possible to enter multiple faces like entering multiple fingerprints?
A: No. Different fingers have different fingerprints, but has only one face and cannot record multiple face data.
8.Q: Does it support to turn on the screen manually to unlock the face and enter the system. Will the face be detected when the screen is illuminated?
A: The notification lights up the screen. Face unlock is not supported by default. After entering the face data, go to Settings >> Lock Screen, Password and Fingerprint >> Face Data Management, and turn on "Allow detection of faces when notification is on the screen", which will increase a certain amount of power consumption.
9.Q: How to troubleshoot the face unlock failure:
1). Since the face is compared with the photo during entry when the face is unlocked and recognized, if the face later changes a lot, there will be a greater probability that the unlock will fail. It is recommended to check whether the change is too large during entry. Heavy makeup, glasses, etc.)
2). Check whether "Allow detection of human face when notification bright screen" is turned on. Some people cannot unlock face successfully when notification is bright screen because this option is not turned on.
3）. Whether the lock screen is blocked. For example, the lock screen of a third-party application (such as music) will block the system lock screen and cause the face not to be detected.
4）. It is recommended to wipe the front camera with a cotton cloth and try
5）. Test after restarting the face unlock button
6）. If the above solution is invalid, it is suggested to reinstall the complete package and restore the factory settings after backing up the data.
Supplementary note:
1. The system version when receives the phone may not have the face unlock function, it is suggested to upgrade to the latest stable version
2. The unlocking distance is about 25-50 cm. Too close, the front view is not complete; too far, the face image is too small to meet the comparison requirements.
3. Face Unlock environment have certain requirements for light, dim light environment, which may occur in backlit unable to unlock, unlock lack pace of the phenomenon, it is suggested to try a different angle. (Mobile phones using infrared face unlock technology and mobile phones using 3D structured light face unlock technology are not affected).
1.Q: Can face unlock be used in low light environment?
A: It is theoretically possible, but it will increase the probability of unlock failure. Therefore, it is recommended to unlock under good lighting conditions.
2.Q: Can others unlock phone by face?
A: Not under normal circumstances, but if it is a person with a similar appearance such as a twin, there is a possibility of unlocking successfully.
3.Q: Does it support to unlock it with photos?
A: Live detection is added when the face is unlocked to avoid being broken by photos. However, due to the diversity of photo materials (such as electronic displays, photo paper, projection screens, etc.), this situation cannot be completely eliminated technically.
4.Q: Does it support to unlock face when close eyes?
A: The development version adds closed-eye detection. When the eyes are closed, the face cannot be unlocked to enter the system. However, the stable version has not yet added this feature. It can be unlocked with closed eyes. The subsequent updates will add closed-eye detection.
5.Q: Does the face unlock function increase power consumption?
A: Because face recognition requires the front camera to be activated, it consumes more power than normal, but the power consumption is within a controllable range.
6.Q: Can face unlock and fingerprint, digital, graphic and other unlock be used at the same time?
Before setting the face unlock, first enter the pattern, number or mixed password to ensure that if the face unlock fails, unlock the system by other means;
Face unlocking can also be used simultaneously with fingerprint unlocking. The two are independent of each other and do not affect each other.
7.Q: Is it possible to enter multiple faces like entering multiple fingerprints?
A: No. Different fingers have different fingerprints, but has only one face and cannot record multiple face data.
8.Q: Does it support to turn on the screen manually to unlock the face and enter the system. Will the face be detected when the screen is illuminated?
A: The notification lights up the screen. Face unlock is not supported by default. After entering the face data, go to Settings >> Lock Screen, Password and Fingerprint >> Face Data Management, and turn on "Allow detection of faces when notification is on the screen", which will increase a certain amount of power consumption.
9.Q: How to troubleshoot the face unlock failure:
1). Since the face is compared with the photo during entry when the face is unlocked and recognized, if the face later changes a lot, there will be a greater probability that the unlock will fail. It is recommended to check whether the change is too large during entry. Heavy makeup, glasses, etc.)
2). Check whether "Allow detection of human face when notification bright screen" is turned on. Some people cannot unlock face successfully when notification is bright screen because this option is not turned on.
3）. Whether the lock screen is blocked. For example, the lock screen of a third-party application (such as music) will block the system lock screen and cause the face not to be detected.
4）. It is recommended to wipe the front camera with a cotton cloth and try
5）. Test after restarting the face unlock button
6）. If the above solution is invalid, it is suggested to reinstall the complete package and restore the factory settings after backing up the data.
Supplementary note:
1. The system version when receives the phone may not have the face unlock function, it is suggested to upgrade to the latest stable version
2. The unlocking distance is about 25-50 cm. Too close, the front view is not complete; too far, the face image is too small to meet the comparison requirements.
3. Face Unlock environment have certain requirements for light, dim light environment, which may occur in backlit unable to unlock, unlock lack pace of the phenomenon, it is suggested to try a different angle. (Mobile phones using infrared face unlock technology and mobile phones using 3D structured light face unlock technology are not affected).
Does it help?
Yes
No