Open the Sunplus Loader and select the correct COM Port and Chip Type (e.g., 1506G or 1506T).
While the Sunplus Loader Tool is generally reliable, users may encounter issues from time to time. Here are some common problems and solutions:
If you would like to proceed with setting up your recovery, tell me: What is the exact of your receiver? Which Sunplus chipset does your device use?
Note the number assigned to your serial device (e.g., COM3 ). If you see a yellow warning triangle, download and install the correct USB-to-Serial driver. Step 3: Configure the Sunplus Loader Tool sunplus loader tool
: A standard DB9 female-to-female null modem cable, or a mini-jack (3.5mm) to RS232 cable, depending on your receiver's port.
Complete Guide to Sunplus Loader Tool: Download, Install, and Flash Firmware
Click the "Open" or "Folder" icon to browse and select the working firmware file. Open the Sunplus Loader and select the correct
Set-top boxes frequently use a 3.5mm mini-jack or a 4-pin internal header instead of a standard DB9 port.
Overrides corrupted bootloaders that block standard USB updates.
Once the log window shows or "Completed Successfully" , close the tool. Disconnect the RS232 cable and restart your receiver. Troubleshooting Common Errors 1. Tool Stuck at "Please Turn On the Receiver" Cause : The PC cannot see the receiver's boot signal. Which Sunplus chipset does your device use
What or indicator light shows up on the receiver?
Configure the standard bits per second (Baud Rate), typically set to 115200 .
The device powers on (you might feel vibration or see an LED light), but the screen remains off. This usually indicates that the bootloader is alive, but the UI firmware is missing or corrupt.
Most modern PCs lack a native COM port. You will likely need a USB-to-RS232 adapter cable (ensure the Prolific or FTDI drivers are installed).