How to Update the Firmware on Nano Series

1.Website Update：https://espressif.github.io/esptool-js/

Visit https://espressif.github.io/esptool-js/ in your browser. You can flash the firmware online from this page. Select the baud rate as 921600 and click "Connect." Select your machine's COM port and click "Erase Flash" to erase the firmware. Enter 0x0 in the "Flash Address" field and click "Choose File." Once the firmware is located, click "Program" to begin flashing. Wait for the flash to complete and then reboot the machine.

2. MKS burning tool update

Open the MKS Laser Tool, select MKS ESP32 Download Tool to enter the program, select in order, find the firmware to be flashed, select the COM port corresponding to the machine, select BAUD: 250000, select ESP32: ESP32 S1, select FLASH SIZE: 16MB, click Erase to erase, and finally click Start to update the firmware. After the update is complete, restart the machine.

3. LaserBurn Desktop Update

After opening the software, click Open Burn in the upper left corner to enter the burning tool, select 912600 in Baud Rate, click Connect, modify Flash Address to 0x0, click Reupload to upload the firmware, and finally click Start Burn to start the firmware update. After the update is complete, restart the machine.

4. LaserBurn Mobile Update

After connecting the engraving machine to the LaserBurn app, go to "My Page" and click "About" → "Firmware Update" → "Nano Pro." Wait for the progress bar to complete.