There seems to be an incompatibility with Android phones and Let´s Encrypt certificate. It is not recognized by some Android phones in 7.0 version.
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My domain is: https://pautadigital.trt16.jus.br/pauta/vara/listar
I ran this command: execute the website on an Android phone´s browser
It produced this output: Your connection is not particular. The certified seems to be not recognized by browsers in Android phones (even though they are vesion 7.0), in a Samsung Galaxy S7 flat.
The operating system my web server runs on is (include version): Galaxy S7 flat, Android 7.0
My hosting provider, if applicable, is: we have tryed with different providers, like Embratel and TIM (Brazil)
I can login to a root shell on my machine (yes or no, or I don’t know): I don’t know
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no