TLS certificate installation for AP mini AC

Hello, I’m looking for information on how I can install/modify TLS certificate on my:
AP One AC mini

I’m also looking for set the TLS ciphers to better secure the admin interface.

  • TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  • Server certificate: device.pepwave.com
  • Server certificate: COMODO RSA Domain Validation Secure Server CA
  • Server certificate: COMODO RSA Certification Authority

Please point me towards this information.

Thank you!