Allwinner K2501 Firmware Update Page

At 11:47 PM, Marco inserted the USB stick. The 7-inch screen flickered, then displayed the usual green android logo. But instead of the standard progress bar, cryptic text scrolled too fast to read:

> Hello, Marco.

He typed on the touchscreen: Who is this? Allwinner K2501 Firmware Update

Marco felt cold. He remembered installing hundreds of these units. Family vans. Police interceptors. A senator’s Escalade. At 11:47 PM, Marco inserted the USB stick