Use a USB flash drive (8GB or smaller is recommended) and format it to FAT32 .
To download and install the firmware, follow this guide to handle multi-part RAR files and perform a USB update. 1. Download & Extract Files Download 35022477 1920x1080 DAEWOO Firmware part01 rar
Go to > Settings > System (or Support ) > Software Update . Select Update by USB and follow the on-screen prompts. Method B: Force Update (If TV is Stuck at Logo/Bootloop) Power off the TV and unplug the power cord. Insert the USB drive. Use a USB flash drive (8GB or smaller