On a late winter evening, a power outage rolled through half the block. Streetlights stuttered, then died. The TCL, battery low but defiant, shifted power modes the way someone tucks themselves into a thinner quilt: dimming background processes, prioritizing essential functions. Even cut off from the cloud’s chatter, the firmware sustained a local intelligence—alarms still rang, the torch still burned, cached transit maps lit the way home. In that blackout, the device’s modest 4G radio became a narrow thread to the world, a thread the firmware guarded like a secret line to an old friend.