>Restart your phone and try again.

>Please change the scene to connect again.

>The version of the mobile phone software cannot be lower than 15.0. The model of the iPhone cannot be lower than 6S.

>Please check if the device is connected to other mobile phones and has not been removed. At this time, we need to remove the connected device from the mobile phone to untie it. (Remove method please see section 8.1)