Visit the Sony Asia Pacific Support page for KLV-24P412C or your local Sony Support website . Go to the section. Download the firmware file (usually a .zip file, not .rar ).
If your TV is not connected to the internet, you must download the firmware to a USB drive: Download SONY KLV 24P412C Software rar
and copy the resulting folder to the root directory of a FAT32-formatted USB flash drive. Insert the USB drive into the TV's USB port. Follow the on-screen instructions to complete the update. Important Notes Visit the Sony Asia Pacific Support page for