A mobile device experiencing excessive temperatures can be placed in an emergency-only mode in which on-going calls are ended, new incoming calls are rejected, and new outgoing calls are ended by the device as thermal mitigation measures to prevent additional heat generation by the device. Optionally, when the device is being used in hands-free mode, a user is provided with the choice to override the emergency mode to make and receive calls. Alternatively, less restrictive thermal mitigation measures may be taken to prevent damage to the mobile device, such as restricting the device to certain voice-only services and restricting data services.
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Telang, Mahesh; Zhang, Qin; Ray, Siddharth; Nayak, Shivank; Kragten, Blake; Sun, Xiantao; and Sasindran, Sooraj, "Emergency-Only and Voice-Only Modes for Thermal Mitigation of Mobile Devices", Technical Disclosure Commons, (August 26, 2020)