Reading the 1404_HWE_EOL wiki page, it says
- Manually installing the Ubuntu HWE packages (e.g.
However, it also says
To determine which packages to upgrade use:
Which command would be the safer way of updating the HWE stack?
sudo apt-get install .*-lts-xenial`
sudo apt-get install $(hwe-support-status --show-replacements)
The former is over three times the size of the latter and includes fewer packages.