.. _ca-android: ========================================= Trusting Your Server's Root CA on Android ========================================= Complete this guide to trust your server's Root Certificate Authority (Root CA) on Android. .. note:: This guide only applies to Android phones running Android v13+, as well as phones running CalyxOS, GrapheneOS, or LineageOS (v19+). #. Ensure you have already `downloaded your server's Root CA `_ #. Tap **Settings > Security > More security settings > Encryption & credentials > Install a certificate > CA Certificate > Install Anyway** and select your custom-named ``adjective-noun.local.crt`` certificate. .. figure:: /_static/images/ssl/android/droidLAN2.png :width: 15% :alt: Install certificate