3.9.2 ^new^ - Flash Download Tool

The user must define the source binary files and their target memory offsets.

📱 SP Flash Tool 3.9.2 is live!

| Error Message | Probable Cause | Resolution | | :--- | :--- | :--- | | | Driver issue or manual boot mode required. | Verify COM port in Device Manager; perform manual BOOT+RST button sequence. | | Invalid header | Incorrect offset address selected. | Ensure the bootloader is flashed to address 0x0 for ESP32. | | Timed out waiting for packet header | Baud rate too high or poor cable quality. | Lower baud rate to 115200; replace USB cable. | | Flash detection failed | Incorrect SPI MODE set. | Toggle between DIO, QIO, and DOUT modes. | flash download tool 3.9.2