Required for smaller mini-satellite receivers that use a 3.5mm jack for serial communication. 2. Software Preparation Download the Updated Sunplus Loader Tool executable file.
Essential for connecting your PC to the receiver. Most modern laptops require a USB-to-TTL adapter (like the CH340 or CP2102).
To successfully flash your receiver, follow these structured steps: 1. Hardware Requirements A PC running Windows 7, 10, or 11. sunplus loader tool updated
Always ensure you cross-verify your hardware pinouts and back up original flash memory configurations whenever possible before applying wholesale firmware upgrades.
: Restores receivers that fail to boot (stuck on "Load" or "On" display) by flashing original factory firmware. Firmware Upgrades Required for smaller mini-satellite receivers that use a 3
Install the corresponding driver for your USB-to-TTL adapter (e.g., CH340 Windows drivers) so your PC recognizes the COM port.
The receiver will automatically reboot. Do not disconnect the cable until the front panel display lights up. ❌ Troubleshooting Common Connection Errors Essential for connecting your PC to the receiver
Improved data transfer synchronization over COM ports, reducing transmission timeouts and "packet loss" errors.
Signal interference, low-quality serial cables, or incorrect baud rate settings.