OPPOa33 mobile phone is set with application encryption, how to cancel it?

Setting method of mobile phone program password:

1 and coloros version 3.0, mobile phone housekeeper-right privacy-application encryption, password setting, deleting/adding applications;

2.Coloros version 2. 1, access to security center-right privacy-program encryption;

3. For other ColorOS versions, enter Settings-Security Service-Program Encryption-SMS;

4. For other versions, just go to Security Center-Program Encryption-Encrypt program selection information.