FIRMWARE V1.3 RELEASE:
1. Reduce brightness of the screen;
2. Show firmware version (in lock mode, press +and – at the same time);
3. New screen UI color (blue, green,red). 3 clicks to enter setting, and choose color.
4. Press “up” and “down” for 3 seconds to lock/unlock the “up” and “down” buttons in watt mode. https://www.cthulhumod.com/atom-chip-firmware/