Round up of some useful functions, Save channels on usb memory stick:
1- insert usb memory (format FAT 32) in usb port 1
2- keep ENTER button pressed untill setup menu ends and the info bar shows at top of page, then press "1" "1" "0" "5" "OK"
3- choose "TV-LINK LOADER" and either "Recieve from USB" or "Send to USB"
Downgrade Firmware:
1- Download
"GP3_EU_BB_[Special_ChangeOldKey]_C0_RevNo59622_V09.00.00_ota_V2_SECURED.epk" firmware
2- Place it in an LG_DTV file on the usb stick (FAT32) and stick it in lg usb port 1
3- When the TV recognizes the FW, press ok to flash and let the TV finish the flash completely and restart
4- Download a favourite previous firmware and place it in the LG_DTV file on the usb stick and insert in usb port 1.
5- It'll tell you the fw 9.00 is newer. Highlight option in menu and press favourite key 7x times and a new menu appears asking whether you want to update to fw on usb stick....choose which firmware if you have more than one on the usb memory....
Downgrade Firmware ALternative:
1- put firmware "GP3_DVB_EU_BB_MP_2Q_C0_RevNo56681_V04.04.11_usb_V 2_SECURED.epk" (same link as above) in an LG_DTV file on the usb stick (FAT32) and stick it in lg usb port 1.
2- When the TV recognizes the FW, press ok to flash and let the TV finish the flash completely and restart
3- YOu can now flash newer firmwares, start with 05.01.10...