: Since your file is named "part01.rar," ensure you have downloaded all subsequent parts (part02, part03, etc.) into the same folder. The extraction will fail if any parts are missing.
: Open the software for your programmer (e.g., RT809H software). Baixar HV553 PC821 3840x2160 Extra EMMC Backup part01 rar
: In the settings, ensure that compression features like "Use LZO compression for backup" are turned off , as these can sometimes cause data corruption during the write process. : Since your file is named "part01
: Once the flashing is complete, disconnect the ISP wires, reconnect the TV power, and attempt to boot. The first boot after a full eMMC flash may take longer than usual as the system initializes. If you'd like to narrow down the steps , let me know: Which programmer tool you are using (RT809H, UFI, etc.). If you plan to use ISP soldering or a BGA socket . The exact symptom your TV is currently showing. : In the settings, ensure that compression features
: You will often need to solder thin wires to specific ISP test points on the board (CLK, CMD, D0, GND) to communicate with the eMMC chip without removing it. 3. Flashing Process