With the TV in , insert the USB drive into the TV's USB port.
Are you experiencing a (like a blinking red light) that prompted the search for this firmware? Support - Toshiba TV
If you have located and downloaded the correct zip file, follow these general steps found in Toshiba service manuals: Download 47L2400EE zip
Press and hold the on the TV (not the remote) until the Standby LED begins to blink.
Updates for the L2400 series generally address several performance issues: With the TV in , insert the USB drive into the TV's USB port
Always backup any settings before updating. If the firmware process is interrupted (e.g., power loss), the TV may become non-functional.
Fixes instances where the TV does not turn on and remains on a constant Standby LED. Updates for the L2400 series generally address several
Resolves unexpected disconnections or intermittent operation.