how to disable telemetry completely?, it's possible?.
Or use Waterfox where telemetry is disabled by default.
install waterfox tarball
Step 1 :download the .tar file and then move it to the directory where you want to install it.
sudo mv waterfox-G4.0.5.en-US.linux-x86_64.tar.bz2 /opt
cd /opt/
sudo tar -xjvf waterfox-G4.0.2.1.en-US.linux-x86_64.tar.bz2
sudo chown -R $USER /opt/waterfox
pluma ~/.local/share/applications/waterfox.desktop
it’ll open pluma text editor where you need to insert the specifications of the desktop entry.
paste the following in the editor and save.
[Desktop Entry]
Name=Waterfox
Exec=/opt/waterfox/waterfox %u
Terminal=false
Icon=/opt/waterfox/browser/chrome/icons/default/default128.png
Type=Application
Categories=Application;Network;X-Developer;
chmod +x ~/.local/share/applications/waterfox.desktop
finally you can remove the .tar file using the following command
sudo rm -rf waterfox*.tar.bz2