How to Install a CA Certificate

Q2 Android 12

1. 1. Click Settings > Security > Encryption & credentials -> Install a certificate -> CA certificate

Others

1. Put CA certificate to TF card
2. Insert the TF card to the terminal
3. In the terminal:
   1. Click Settings > Security > Install from SD card
   2. Select the CA certificate from TF card
   3. Input the name of the certificate in the prompt window
   4. Set lock screen pin
   5. Prompt the CA certificate installed success.

 Please note, third-app can not install CA to terminal programmatically without UI interaction, that is not safe, only system apk can do this work.