Core Viewpoint - SpaceX is collaborating with partners to integrate chips into smartphones to support Starlink Direct to Device (D2D) service, utilizing wireless spectrum purchased from EchoStar [2][3]. Group 1: SpaceX and D2D Service - SpaceX is working with chip manufacturers to modify their chips for compatibility with AWS-4 spectrum, which is expected to take about two years [2]. - T-Mobile US is providing its PCS G-block to SpaceX's Starlink satellites, currently used for T-Satellite messaging services [2]. - Elon Musk has not ruled out the possibility of other mobile operators gaining access to Starlink satellites after the agreement with T-Mobile expires [2]. Group 2: Industry Reactions and Future Plans - The mobile industry is apprehensive about Musk's plans to create a competitive D2D service following SpaceX's acquisition of EchoStar's AWS-4 spectrum [3]. - SpaceX plans to engage in different discussions with telecom companies, aiming to provide capacity and wholesale capacity for their customers [3]. - D2D mobile testing is scheduled for the end of 2026, although SpaceX still requires ground mobile licenses to activate the service [3].