LG 27BK4 series - Firmware Download Process

 2.5 Setting of the FE2P Block Select
Check the bank0, bank1, bank2, bank3
 2.6 After start EasyWriter Tool, like below image, on [Option] tab,
check [FE2P Mode Enable]
 2.7 click [ Load file ] icon, and select the download file.( *.hex or *.bin)
•Caution : If not checked FE2P Mode Enable, EDID and HDCP key will be deleted.