Ensure the dump matches your Panel Model Number (found on a sticker inside the TV), not just the board number. Using the wrong resolution can result in a distorted image or a black screen.
In the world of television repair, a (or flash file) is a complete backup of the data stored on the TV's mainboard memory chip (usually an SPI Flash or eMMC). For the TP56U91 —a popular universal board used in brands like VTONE—this file contains the operating system, panel resolution settings (in this case, 1366x768), and hardware drivers. Why You Might Need It Download TP56U91 1366x768 VTONE DUMP rar
Most users seek this file when their TV is "brick" or stuck in a boot loop. This usually happens due to: Ensure the dump matches your Panel Model Number