Firmware
2) Avoid loss or interruption of power during the firmware update process 3) DO NOT press the power button on the unit during the firmware update process. In the event that you have any questions regarding the firmware update process, please contact TOSHIBA Customer Solutions at 1-800-268-3404.
Toshiba Tv Firmware Update Downloads
Firmware Update Version 1
Important Notice
Important Notices:
1. Please double check again for model name of your TV (Main menu->GetHelp->Support
Information), takes wrong image may make your TV inoperable.
2. Your TV setting will be lost during update procedure.
3. Please check your current firmware version before update. Updating the same version or
downgraded is not allowed.
Preparation:
1. A USB stick with 256MB at least. Formatted with FAT32 format.
2. Firmware: Please get from the download link.
3. Unzip the download file without password. Be note, the file name should not be changed
or your firmware update will not work.
Ex. 43/49/55/65L621U: UPDATE_CASTTV_UHD_01.04.088_FY17_sc_INIT_CLEAR.prg
4. Copy the firmware file 'UPDATE_CASTTV_UHD_01.04.088_FY17_sc_INIT_CLEAR.prg' to root
directory of your USB stick
Start update:
Please download detail procedure in following link
Firmware Release Notices:
1. Other bug fixes and performance improvement
Download Procedure
File name: 20170830113420_castuhdl621uusb_update_procedure_20170830.pdf
File size: 1 MB
Last Modified: 27.09.2017
Firmware
File name: 20170830113420_update_casttv_uhd_01.04.088_fy17_sc_init_clear.zip
Toshiba Laptop Support
File size: 137 MB
Last Modified: 27.09.2017
