What is the reason why the red rice mobile phone is often disconnected from the Internet?

1.SIM card has insufficient contact with the metal contact of the mobile phone, so try to insert the SIM card again.

2. If the SIM card is damaged or there is something wrong with the mobile phone, you can change the machine for testing to see if there is something wrong with the SIM card or the mobile phone.

3. The current position is a signal blind area or there is no signal suddenly. You can test it in another place and pay attention to whether the cell phone signals of other users around you are normal.