But that night, at 3:00 AM, the ES15 turned itself on. The screen read:
He touched the iron to a scrap board. 350°C. Stable. He knocked it against the fume extractor—nothing. The ghost was gone.
Frustrated, he plugged the ES15 into his laptop. The Miniware Device Manager showed the sad truth: .
The update took four minutes. He watched the progress bar crawl: Erasing... Writing bootloader... Flashing PID tuner v2...