It seems like you're experiencing a boot ROM error on a device, possibly a set-top box (STB), and you're looking for guidance on how to troubleshoot or resolve the issue. The error message mentions waiting for a GET request and checking the STB's UART receive line, with a reference to Google.
: The STB must be triggered into a specific flashing mode. If the device boots normally into Android instead of entering the bootloader, the UART handshake will fail. It seems like you're experiencing a boot ROM
Aris sat back in his chair. He knew exactly what this meant. The "bootrom error" was the electronic equivalent of a patient flatlining in an ambulance. The device had no operating system, no bootloader, and no recovery partition. It had "bricked." If the device boots normally into Android instead
The progress bar crawled forward.