Both spacecraft make use of the US space agency's TrackingandData Relay Satellite System (TDRSS) to speak to the ground and controllers do not want any conflicts.
Emotion UI is also pre-installed with a smartphone housekeeper function to support real-time data traffic tracking, automatic blacklisting and blocking, periodical system cleaning, and spontaneous exiting of idle programs and cache cleanup, in addition to anti-virus, energy saving, privacy protection, software management, and more.