How to cancel Huawei's mobile phone screen lock password

The following are the specific steps for Huawei's mobile phone to cancel the screen lock password:

1, EMUI 3.0: Settings >; (all settings) > security > unlock style, enter the password, and click No lock screen (or no password).

2.EMUI 3. 1:Settings >； Set all > screen lock and password > screen lock password, enter the current unlock password, and click "Next" to select "No password".

3.EMUI 4.0 platform and above: "Settings >; Screen Lock and Password > Screen Lock Password, enter the password, click Next, and then select No Password.

If there is no password, it will prompt "Disabled by administrator, encryption policy or voucher storage", indicating that there may be encrypted files and software in the mobile phone, or the fingerprint unlocking function is turned on (the unlocking password must be set to enable this function). When setting >; Advanced Settings/Privacy and Security > Security > Voucher Storage, just delete the voucher.