Install a security certificate on iOS
- Last UpdatedMay 16, 2025
- 1 minute read
This is a sample procedure for installing a security certificate on iOS 16.4 or higher. Both the user interface and the procedure steps may be different in different versions of iOS. If you are an IT administrator and need to get a copy of the certificate file, see Export the security certificate.
Note: For detailed procedures for your version of iOS, we recommend you read the instructions found on the Apple Support web site for installing a configuration profile and trusting a certificate.
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If you have received the certificate as an email attachment, tap the attachment to download it.
You will see the message .
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Open the Settings app and go to the Profile Download page.
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Select Install at the top-right corner. You may receive a warning message and need to select it more than once.
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In the Settings app, select General.
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Select About.
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Select Certificate Trust Settings.
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Locate the certificate that you just installed from the profile.
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Turn on the toggle next to the certificate.

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After the certificate is imported, close and re-open your browser if it was open. You should now be able to open the OMI web client by going to https://<web_client_host>/omi.