How to Install a CA certificate

If your organization needs to have a particular certificate from a CA (certificate authority) installed on the DR5, here are steps:

1. Open the Settings app.
2. Tap Security, Advanced settings. Encryption & credentials.
3. Tap Install a certificate. Wi-Fi certificate.
4. In the top left, tap Menu.
5. Tap where you saved the certificate.
6. Tap the file. If needed, enter the key store password. ...
7. Enter a name for the certificate.
8. Tap OK.