A user reports that their smartphone frequently becomes extremely hot to the touch, especially during or after charging, and battery life has significantly decreased. Upon inspection, you notice the battery is slightly bulging. Based on the principles of troubleshooting mobile devices, what is the BEST course of action to take to resolve this issue?
Let the device cool down and continue monitoring the battery temperature during use.
Reset the device to its factory settings.
Replace the battery.
Uninstall the last few apps that were added before the problem started occurring.
The correct answer is to replace the battery. A bulging battery indicates that it has undergone physical changes likely due to overcharging, age, or defect, and can pose a safety risk including potential fire hazard. Continuing to use a battery in this condition can cause further damage to the device and is a safety risk. Simply letting the device cool down or resetting the device software won't address the root cause of the overheating and battery bulging.
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What can cause a smartphone battery to bulge?
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