He nudged it to 1.

Outside, the neon lights of Shenzhen flickered. Inside, the water in the glass fell, splashing onto his desk. The ghost in the Xiaomi machine smiled, and Lin Wei, for the first time in years, was no longer bored. He was terrified. And he couldn't wait to turn the slider up to 100.

He enabled it. A slider appeared. Default: 0. Max: 100.

The ghost in the machine wasn't a ghost at all. It was a teenager named Lin Wei.

After three hours of watching hexadecimal scroll past like digital rain, he found it: a backdoor command, FACTORY_ACCESS_MODE=1 .

Wei stared. His reflection stared back, wide-eyed.