Disclosed are a method and apparatus for dynamically adjusting an SAR value, a mobile terminal, and a computer storage medium. The method for dynamically adjusting the SAR value is applied to the mobile terminal. The mobile terminal comprises a WiFi antenna used for connecting a WiFi network. The method comprises: monitoring the change of a cell or the change of a network type of the mobile terminal; when monitoring the change of the cell or the change of the network type of the mobile terminal, obtaining a working frequency band on which the mobile terminal currently camps; and adjusting the transmit power of the WiFi antenna according to a difference value between a pre-stored SAR value corresponding to the working frequency band and an SAR standard value.
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