Oppo mobile network shut itself down. What's going on?

Reasons and solutions for the automatic shutdown of p>OPPO mobile phone data network: 1. When using the 4G network, the mobile phone will switch the network, temporarily interrupt the data network, and automatically connect after receiving the short message or hanging up the phone; 2. When the network signal at the current location is unstable, the data network will be automatically disconnected; 3. When power-saving software or settings are used on the mobile phone, the data network will be interrupted; 4. The SIM card of the mobile phone is abnormal.

in this case, the above reasons can be eliminated first. if there is no improvement, back up the mobile phone data (mobile phone number, SMS, etc.) and restore the factory settings.

it can't be solved. please back up your mobile phone data and bring your mobile phone, purchase invoice and warranty card to the nearest OPPO customer service center for testing.