For Android Go to the Settings app > About phone > Status > SIM status > Signal Strength . You will see numbers expressed in dBm (decibel milliwatts). The process remains the same for KitKat and Lollipop versions.
Read moreFor Android Go to the Settings app > About phone > Status > SIM status > Signal Strength . You will see numbers expressed in dBm (decibel milliwatts). The process remains the same for KitKat and Lollipop versions.
Read more