Why can't the little genius watch hear from strangers?

Question 1: The class disable setting is invalid. 1. Does the card have traffic? 2. Does the watch G display normally? 3. setup. ...

Question 2: The watch can't receive the short message 1. Is the mobile phone number sent in the address book? 2. Is it normal for a watch to make a phone call without arrears? ...

Question 3: The school guardian is not on time 1. It may be that the home and school are too close, less than 500 meters away, which may lead to failure. ...

Question 4: WeChat 1 There is no sound. The phone doesn't turn on the sound. 2. The mobile phone watch application has no recording permission. ...

Question 5: Unable to locate, location timeout 1. First, check whether the phone card in the watch has a phone bill; 2. Look at the upper right corner of the watch.