Thermal mitigation at a smartphone is improved by employing an emergency disconnect mode that is entered in response to heat at the smartphone exceeding a specified threshold. In the emergency disconnect mode, the smartphone is disconnected from a cellular network. This allows the components of a radio front-end of the smartphone to be turned off or placed in a low power mode while the smartphone is in the emergency disconnect mode, thereby rapidly decreasing the amount of heat generated at the device and allowing the smartphone to return to a normal mode of operation more quickly.
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Nayak, Shivank; Ray, Siddharth; and Kragten, Blake, "Aggressive Smartphone Thermal Mitigation at High Temperatures", Technical Disclosure Commons, (November 05, 2020)