A smartphone user who has not changed any habits suddenly receives multiple warnings from the carrier that the device has exceeded its monthly cellular data allowance. Which of the following is the MOST likely cause of this symptom?
The screen-timeout setting was lengthened to five minutes.
A malicious application is silently transmitting data from the device.
Voice over LTE (VoLTE) has been disabled in the phone settings.
The device's battery calibration data has become corrupted.
Excessive or unexpected data consumption is a classic sign that a malicious or compromised application is running in the background and transmitting information without the user's knowledge. Problems such as a corrupted battery calibration file, extended screen-timeout settings, or disabled VoLTE do not significantly increase cellular data usage.
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What should I do if I receive unexpected data-usage limit notifications on my mobile device?
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How can I monitor my data usage effectively on a mobile device?
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What are some common signs of a potential security issue related to excessive data use?