A customer complains that their iPhone 6 battery is constantly drained even if no apps are running in the background. What other reason might be causing the power drain?

  1. A virus
  2. Signal searching
  3. Memory effect
  4. The phone uses NiMH battery

Answer: B – Signal searching is one of the biggest culprit for power drain on smart phones. If something impedes the performance of the antenna, it might keep on searching for signal, which drains the battery.

Memory effect or Battery effect is an issue with Nickel Cadmium and Nickel Metal Hydride batteries, wherein they develop memory that causes them to hold less charge. IPhone 6 uses Li-Po battery.

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