Question

A user reports that their smartphone becomes very warm to the touch and the battery drains rapidly, even when the screen is off and idle in a pocket. The device is running the latest OS version, has plenty of storage free, and works normally otherwise. Which action should the technician take FIRST to diagnose the cause?

Accepted Answer

Check the battery usage statistics to identify apps consuming excessive power in the background

Answer

Perform a factory reset to eliminate any corrupted system files

Answer

Replace the battery, since rapid drain indicates a swollen or degraded cell

Answer

Disable all cellular data and Wi-Fi to reduce radio power consumption