Format a USB drive to FAT32 and copy the file directly to it.
Turn off the TV, insert the USB, and then turn the TV on. Some models require holding the Power button on the TV itself until the update screen appears. Download Haier LE42B9000 Software Backup rar
This model typically uses a USB upgrade method. You will need to extract the .rar file and place the bin file in the root directory of a FAT32-formatted USB drive. Where to Find the Files Format a USB drive to FAT32 and copy the file directly to it