How To Fix DH30 MAX Wrong Firmware Upgrade
1. Connect the data wire to computer;
2. Long click The "Power On" button，not release;
3. Use tweezers to short the upper and lower ends of the C1 chip,spot welder will be reset;
4. Copy the .bin new firmware to U disk,when finish,disconnect data wire,power off and power on,Done.
2. Long click The "Power On" button，not release;
3. Use tweezers to short the upper and lower ends of the C1 chip,spot welder will be reset;
4. Copy the .bin new firmware to U disk,when finish,disconnect data wire,power off and power on,Done.