Where is the information setting of OppoA 83? Why can't I send my message? There is a phone bill and a signal.

Where is the information setting of OppoA 83? Why can't I send my text message? It is suggested to call the customer service hotline of the communication operator to switch to manual operation, and set parameters to obtain detailed consultation information. After the above attempts, the problem still exists. After backing up the important data files in the mobile phone, take the mobile phone to the customer service center for free testing. You can quickly find the address and telephone number of OPPO Customer Service Center in the following ways:

1. Enter the OPPO official website-Service-Service Network for inquiry; 2. Enter OPPO+- Home-Recommendation-Customer Service-Service Network.

Information settings can be set in phone settings-Information-Advanced.