Get non-snap Firefox

user@demo:~/Desktop$ which firefox
/usr/bin/firefox
user@demo:~/Desktop$ /usr/bin/firefox 
2026/09/11 13:05:09.480118 cmd_run.go:1614: WARNING: cannot start document portal: Expected portal at "/run/user/1000/doc", got "/home/user/.cache/doc"
/user.slice/user-1000.slice/session-c2.scope is not a snap cgroup for tag snap.firefox.firefox

sudo snap remove firefox

# Create the keyring directory if it doesn't exist
sudo install -d -m 0755 /etc/apt/keyrings

# Import the Mozilla signing key
wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | sudo tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null

# Add the Mozilla repository to your sources
echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | sudo tee -a /etc/apt/sources.list.d/mozilla.list > /dev/null

echo '
Package: *
Pin: origin packages.mozilla.org
Pin-Priority: 1000
' | sudo tee /etc/apt/preferences.d/mozilla

user@demo:~/Desktop$ cat /etc/apt/preferences.d/mozilla

Package: *
Pin: origin packages.mozilla.org
Pin-Priority: 1000

sudo apt update && sudo apt install firefox

apt-cache policy firefox

Processing triggers for gnome-menus (3.36.0-1.1ubuntu3) ...
orin@demo:~/Desktop$ apt-cache policy firefox
firefox:
  Installed: 155.0.1~build1
  Candidate: 155.0.1~build1
  Version table:
     1:1snap1-0ubuntu5 500
        500 http://ports.ubuntu.com/ubuntu-ports noble/main arm64 Packages
 *** 155.0.1~build1 1000
       1000 https://packages.mozilla.org/apt mozilla/main arm64 Packages
        100 /var/lib/dpkg/status
     155.0~build1 1000
       1000 https://packages.mozilla.org/apt mozilla/main arm64 Packages
     154.0.1~build1 1000
       1000 https://packages.mozilla.org/apt mozilla/main arm64 Packages
     154.0~build1 1000
       1000 https://packages.mozilla.org/apt mozilla/main arm64 Packages
     153.0.4~build1 1000
       1000 https://packages.mozilla.org/apt mozilla/main arm64 Packages