Question: how to flash lg k330?
Answer: Install LG UP.
Install LG Drivers.
Install LGUP_K330.msi or LGUP_MS330.msi.
Plug in phone and reboot into download mode (Hold volume up while powered off then plug in usb while holding)
Open LGUP.
Select UPGRADE.
Use 3 dots to find KDZ.
Click START.