Why can't my OPPO A37m phone find the phone function these days, and it keeps showing offline status?

The mobile phone is offline because there is no internet connection, so it is difficult to judge whether to turn it off or on. However, it doesn't matter if the card is dialed The mobile phone can be locked and located by wireless connection or directly surfing the Internet with a mobile phone card. You can see the offline information, then you have an account, so I won't say how to use it. There is little chance to get the phone back, mainly because if there is important information in the phone, you can choose to empty and lock the phone, so that the other party can't use the phone. But the premise of these functions is that the other party must be networked, and you can operate as long as you are networked.