| DH50/DH50 MAX | Version: DH50 DH50 MAX Firmware V1.04 Click to Download |
  | Main Update： Optimized some code |
| Firmware Release Date：2024.2.20 |
| DH50 | Version: DH50 Firmware V1.03 Click to Download |
| Main Update： First batch of shipping firmware |
| Firmware Release Date：2023.11.4 |
How to do firmware upgrade:
Before upgrade the newest firmware, please power off the spot welder first
Can only copy the .bin file to U disk,if copy wrong,spot welder will not power on.
1. Power off the spot welder,then connect the data wire to computer , your computer will show a USB disk;
2. Copy the .bin new firmware to U disk,when finish,disconnect data wire,power off and power on,Done.
Note: if spot welder still show the old firmware version,you can delete the .bin file in U disk,then copy again
