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Firmware Upgrade
Hardware Configuration
Design & Selection References
CoreS3 Thread BR Restore Factory Firmware
Factory Firmware
When the device works abnormally, you can try reflashing the factory firmware to check whether there is a hardware fault. Refer to the following tutorial. Use the M5Burner firmware flashing tool to flash the factory firmware to the device.
1. Preparation
- Refer to the M5Burner tutorial to complete the download of the flashing tool, and refer to the figure below to download the corresponding firmware.
2. Download Mode
- Press and hold the reset button (about 2 seconds) until the internal green LED lights up, then release it. At this point, the device has entered download mode and is ready for flashing. The red indicator turns off after the button is released, confirming that the device is in download mode.
3. Port Selection
Connect the device to the computer via a USB cable. After the device enters download mode, select the corresponding device port in M5Burner.
4. Firmware Flashing
- Click
Eraseto erase old data.
- Click
Startto begin flashing.
The result is shown below:
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