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Instalação do certificado em dispositivos com Android 11+

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Este artigo é sobre o AdGuard para Android, um bloqueador de anúncios multifuncional que protege seu dispositivo a nível de sistema. Veja como funciona ao baixar o AdGuard

To be able to filter HTTPS traffic (which is extremely important as most ads use HTTPS), AdGuard needs to install its certificate into your device’s user storage. Em versões mais antigas do sistema operacional Android, isso era feito automaticamente, mas no Android 11 e posteriores, os usuários precisam instalá-lo manualmente.

Certificado *mobile_border

Siga estas etapas para instalar o certificado do AdGuard:

  1. Open the app. On the Home screen, tap HTTPS filtering is off.

  2. Then you’ll be presented with three screens:

    • HTTPS filtering is critical for ad blocking
    • AdGuard’s HTTPS filtering is safe
    • AdGuard certificate

    Consecutively, tap Continue → Next → Save certificate.

  3. Toque em Salvar na parte inferior da pasta aberta Baixar.

  4. Após salvar, toque em Abrir Configurações.

  5. Open Settings and type CA Certificate in the search bar. Tap the respective option.

  6. Você poderá ver um aviso. Se sim, toque em Instalar mesmo assim e digite seu PIN, se necessário.

  7. Selecione o arquivo de certificado do AdGuard. Seu nome deve ser semelhante a adguard_1342_020322.crt.

You’re all set! Once the certificate is installed successfully, you’ve enabled HTTPS filtering.

If you experience issues during the manual certificate installation (for example, you installed the certificate, but the application keeps ignoring it), you can follow one of the solutions below.

  1. Reiniciar o AdGuard.
  2. Tente instalar o certificado correto (AdGuard Personal CA) mais uma vez.

Security warnings​

In earlier versions of Android, the quick settings panel displayed the message “Network may be monitored.” Tapping it will open a window with detailed information.

Starting with Android 15, in addition to “Network may be monitored”, users will see a warning notification after installing a certificate and after restarting the device: “Certificate authorities installed by an unknown third party.” This means that the system has detected third-party certificates in the user certificate store. Tapping the notification opens a list of certificates in the user certificate store.

Despite these warnings, your traffic remains secure. Your connection to remote servers stays encrypted. What AdGuard does is simply verify the server’s certificate before deciding whether to filter the connection — similar to how a browser works.

Learn more about HTTPS filtering and how the certificate works.

If you still encounter a problem and can’t install the certificate, please contact our support team at support@adguard.com.