sudo apt update
sudo apt install flatpak

flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

# to avoid lots of password questions
sudo usermod -aG sudo $USER


flatpak install flathub org.telegram.desktop

flatpak run org.telegram.desktop



flatpak update
# Or update just Telegram
flatpak update org.telegram.desktop

Additional Tips
 - First launch: Telegram will ask for your phone number to set up your account
 - File locations: Flatpak applications store data in ~/.var/app/org.telegram.desktop/
 - Autostart: You can enable autostart from Telegram settings (Settings > Advanced > Launch Telegram on system startup)


# Check if Telegram is properly installed
flatpak list | grep telegram

# Restart Telegram if it's not working properly
flatpak kill org.telegram.desktop
flatpak run org.telegram.desktop

# Repair if needed
flatpak repair

