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...

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