Because a "dump" file is a direct copy of a memory chip's data, you cannot simply plug it into a USB port like a standard software update.
: If you are not familiar with electronics, do not attempt to open the TV. You risk a fatal electrical shock from the power board, even if the unit is unplugged. Download TOSHIBA 32EV700E DUMP rar
: Use a tool like WinRAR or 7-Zip to unzip the .rar archive. Inside, you will typically find a .bin or .hex file. Because a "dump" file is a direct copy
: Flashing the wrong dump file (e.g., from a different board version) can "brick" your TV permanently. Download TOSHIBA 32EV700E DUMP rar
If your TV still turns on and you just want to update the software, you may not need a "dump" file.