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Go to “Settings” and select “Screen Lock and security”, “User credentials”. Click and hold on the certificate you wish to delete until a window pops up with the certificate details, then click “Delete”.
Remove custom certificates
- Open your phone’s Settings app.
- Tap Security Advanced. Encryption & credentials.
- Under “Credential storage”: To clear all certificates: Tap Clear credentials OK. To clear specific certificates: Tap User credentials Choose the credentials you want to remove.
How do I remove a user certificate?
Here’s how to do it.
- Open your Settings, select Security.
- Choose Trusted Credentials.
- Select the certificate you’d like to remove.
- Press Disable.
How do I remove a revoked certificate?
Open the Certification Authority, expand the configured CA and navigate to Issued Certificates. In the right pane right click the issued certificates and select All Tasks > Revoke Certificate option. Specify a reason in the Reason code field then click Yes. The certificate is removed from the list.
How do I trust Charles certificate on Android?
Navigate to Settings > General > Profile & Device Management to install and verify the Charles SSL certificate. Navigate to Settings > General > About > Certificate Trust Settings to mark the Charles Root certificate as trusted.
Where do I Find my Trusted credentials in Android?
Go to Settings->Security->Trusted Credentials to see a list of all your trusted CAs, separated by whether they were included with the system or installed by the user. Earlier versions of Android keep their certs under /system/etc/security in an encrypted bundle named cacerts.bks which you can extract using Bouncy Castle and the keytool program.
How do you remove a certificate from Android?
In Android Lollipop 5.0. Settings → Security → Trusted credentials → User tab → Select your certificate → Scroll down, Click on Remove button → Done.
How can I find out which root CAs my phone has?
There doesn’t seem to be a central Android resource that lists the Trusted Root CAs included in the OS or default browser ( related question on SO ), so how can I find out which are included on my phone by default?
You can usually access the certificates in advanced security settings but may need administrative status to interact with them. Certificate Authority is one of the trusted certifications on Android and is in charge of digital certifications and public key distribution.