"So you can go throw a Debian Arm image in place of a system partition on many Android phones... it just won't boot." Won't even boot ? I would expect that pe

"So you can go throw a Debian Arm image in place of a system partition on many Android phones... it just won't boot." Won't even boot ? I would expect that peripherals and radios and so on would be out of reach due to hardware/drivers but my expectation was that you could boot and get serial comms somehow ... as unusable as that would be ...