Simple steps to update Linux Mint 18.1 to 18.2

Follow the steps for easy upgradation of Linux Mint 18.1 to 18.2

#apt update
#apt upgrade

$sudo sed -i 's/serena/sonya/' /etc/apt/sources.list
$sudo sed -i 's/serena/sonya/' /etc/apt/sources.list.d/official-package-repositories.list
$sudo sed -i 's/serena/sonya/' /etc/apt/sources.list.d/official-source-repositories.list

#apt update
#apt upgrade
#apt full-upgrade

$sudo reboot

$lsb_release -a