Heating during Charging the smartphone is normal as fast charging tech warms up the device due to the high flow of power into the it. Even while playing Heavy Games such as Asphalt, Pubg etc Device does heat up and it is considered normal as long as Temperature of device doesn't exceed 40° Celsius. Look out for Temperature tracking apl from play store and install. If the device temperature as shown in the app exceeds 40° Celsius, Visit nearest service Center.
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