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Why is my phone feeling warm, closing apps or occasionally slowing down?

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What is the error and what should I do?

Why is my phone feeling warm, closing apps or occasionally slowing down?

During extended operation, the device may feel warm. In most cases, this is normal. To avoid getting too warm, the device may automatically slow down, dim display during a video call, close apps, switch off charging, and if necessary, switch itself off. If the device is not working properly, take it to the nearest authorized service facility.

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