Open Settings
and select General > Security > Certificate management > Trusted site certificates > Options > Open.
Scroll to a certificate, select Options and from the following:
- Certificate details — View details about the certificate.
- Delete — Delete the certificate.
- Mark/Unmark — Select multiple certificates. Scroll to each certificate and select Options > Mark/Unmark to mark it. Once you have marked all the desired certificates, select the desired command.
The available options may vary.