Samsung note3 mobile phone can only be unlocked with a password, and the screen locks on the shell are all gray and cannot be used. What if the administrator or certificate is banned?

According to your description, I suggest you: 1. Turn the machine on and off again.

2. Settings-General-Security-Clear Certificate

3. If the lock screen setting is grayed out except the password, and the words "stored by the administrator, encryption policy or certificate" are prompted, it is because the device encryption or external SD card encryption function is set in the mobile phone. If you need to change the screen lock mode, you need to decrypt the device or decrypt the external SD card first.

Operation:

1, cancel device encryption. Mode: Settings-Security-Decryption Device-Click Decryption Device-Enter Screen Lock Password-Click Decryption Device at the bottom of the screen again-Wait for completion.

Note: When canceling device encryption, the mobile phone needs to be connected with a charger.

Samsung official website has produced an illustrated function tutorial for the decryption device function. Please refer to:

& ampseq=885 144

2. If it is impossible to operate, it is recommended that you back up the data of your mobile phone (phone book, SMS, multimedia files, etc.). ), restore the factory settings (enter the phone settings-reset-restore the factory settings) or send the phone to the nearest Samsung service center for testing and further processing. Please visit: