: 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.
Load the extracted backup file (usually a .bin or .img file).
: 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. Baixar HV553 PC821 3840x2160 Extra EMMC Backup part01 rar
: Open the software for your programmer (e.g., RT809H software).
: Another professional tool used for direct eMMC data backup and writing. : Once the flashing is complete, disconnect the
: After writing, always run a "Verify" check in the software to ensure the data on the chip matches the backup file exactly.
If the backup is split into partitions, use a script or the programmer's partition manager to ensure each segment (BOOT1, BOOT2, USER) is written to the correct location. If you plan to use ISP soldering or a BGA socket
: 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