I'm developing my app in Unity 5 with Gear VR SDK and, from the last oculus update, when i unplug the device of the goggles i have a black screen with a little cross on the corner, the device is blocked and i need to restart it. Someone have the same issue?
What device do you have specifically (model name + carrier)? And what version is your Gear VR Service (Settings->Applications->Application Manager->Gear VR Service)?