A user working in the field reported the GPS stopped working on a phone. The user's older, in-car GPS continued to function. Later, the user reported that the phone's GPS started working again. Which of the following MOST likely caused the phone's GPS to fail?


A. The cell phone was in conservation mode.
B. The cell phone had lost service to the carrier.
C. The cell phone received a firmware update.
D. The cell phone had overheated.