sudo snap remove chromium
sudo apt-get purge chromium-browser

echo "deb http://packages.linuxmint.com una import" | sudo tee /etc/apt/sources.list.d/mint.list
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com E1A1205173915957

sudo nano /etc/apt/preferences.d/mint-chromium


Package: chromium
Pin: origin packages.linuxmint.com
Pin-Priority: 1001

sudo apt-get update
sudo apt-get install chromium