Used for basic software updates and "Upgrade Recovery" if your device won't power on or has firmware errors.
If you are installing the enterprise version on an iOS or specific Android build and see a security error: lg mobile ep download top
If your search for "EP" was actually a typo for "App" and you are trying to move data to a new phone (Samsung, Pixel, etc.), use this method. Used for basic software updates and "Upgrade Recovery"