Open the AdGuard settings → Network → HTTPS Filtering → Install the certificate in Firefox → INSTALL FOR OLD VERSIONS.Install the Firefox browser (release version).

Open System Settings → Developer Options → Scroll down and enable USB debugging → Confirm debugging is enabled in the window Allow USB debugging after reading the warning carefully.

After that, you will receive a notification that You are now a developer (If necessary, enter an unlock code for the device) In this section, find the sub-item About phone

Go to System section (last item in the settings menu).

Activate the developer mode and enable USB debugging:.

On the Windows platform, Samsung owners may need to install this utility. This method will only work on rooted devices.

Toggle Use third party CA certificates.

Navigate to Settings → Secret Settings.

To make Firefox trust the AdGuard certificate, do the following:

This method works in Firefox for Android version 90.0 and later. It can be achieved differently for different versions of the Firefox. Manual installation of the security certificate into the Firefox browserįor AdGuard to successfully filter HTTPS traffic in Firefox, the browser needs to trust AdGuard's certificate.

Firefox adguard