How to cancel the password lock of OPPO mobile phone

Reference method for unlocking screen password of OPPO mobile phone: version 1, ColorOS 3.0, settings-fingerprint and password-screen lock password-select settings without password; 2. Settings-Security and Privacy-Screen Lock-Select Settings No Password; Note: If you can't select the "No Password" option, you need to enter Security and Privacy first, and then click Clear Voucher before operating.