Connecting the loader to the tablet is fiddly.
If the driver installs but the loader software says "Wait for Device," your device is not entering Loader mode automatically. You must manually short a test point on the PCB. sunplus loader
Sunplus Loader is GUI-based (older versions) or command-line driven. Key options include: Connecting the loader to the tablet is fiddly
| Parameter | Description |
|-----------|-------------|
| COM port | Serial port number (e.g., COM3) |
| Baud rate | Usually 115200 or 57600 |
| Flash file | Path to .bin or .hex firmware |
| Erase | Erase flash before writing |
| Verify | Read-back and compare after write |
| Run after download | Auto-reset and execute | Sunplus Loader is GUI-based (older versions) or command-line
Sunplus Loader is a PC-based flashing utility used to download firmware (binary code) into Sunplus’s SPHE1000, SPHE8202, SPHE8208, SPHE8209, and related microcontroller units (MCUs). It communicates over UART (serial) or USB depending on the board design.
It is primarily used during development, debugging, or field firmware updates.