LG Smart TV firmware package

These store updates for LG’s webOS and NetCast OSses. They can be opened with OpenLGTV’s epk2extract

Resources

 * https://www.lg.com/us/support/help-library/lg-tv-how-to-update-an-lg-smart-tv-CT10000018-1430510575535
 * https://fileinfo.com/extension/epk