Connect the RS232 cable from the receiver to your PC's USB-to-Serial adapter.
: Do not touch the cables, close the software, or turn off the power during this process. Interrupting a flash will result in a hard-bricked device. Step 5: Finalization sunplus loader tool link
The loader tool should instantly detect the boot signal from the box, and a progress bar will show the erasing and writing stages. Once it hits 100%, the tool will display a "Success" message, and your receiver will reboot automatically, fully restored. Troubleshooting Common Loader Errors "Open Serial Port Fail" Connect the RS232 cable from the receiver to
: Set to 115200 (the universal speed for standard Sunplus flashing). Parity / Flow Control : Set to None . close the software
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