How to Locate Your Radio’s Serial Number
Many radios show the serial number on the screen by holding buttons like **1 + 6** or **2 + 6**. If not, the radio must be removed to view the label. For full tutorials, visit: your car’s guide.
Selecting the specific chipset model and the file path for the new firmware (often in .bin format).
Ensure the .bin file matches your chipset and model exactly. sunplus loader tool full
Often found in high-definition (HD) and H.265 compatible receivers. Technical Operation Selecting the specific chipset model and the file
This occurs when the loader cannot see the receiver. Verify that the COM port number matches your adapter exactly. Ensure the receiver was completely powered down before clicking "Start," and only powered on after the software began listening. Technical Operation This occurs when the loader cannot
: Open the loader, select the correct COM Port (e.g., COM1), and set the Baud Rate (usually 115200).
: You should see a progress bar moving. Do not disconnect the power or cable during this time. 4. Completion
Set the DDR type. Most budget Sunplus boxes use , though higher-end models utilize DDR3 . Step 4: Load the Firmware File

Many radios show the serial number on the screen by holding buttons like **1 + 6** or **2 + 6**. If not, the radio must be removed to view the label. For full tutorials, visit: your car’s guide.