Solution to disconnection of red rice mobile phone

The solution of this brand of mobile phone disconnection is as follows:

Tool: red rice mobile phone.

1. In "Settings", enter the network settings, turn off the "Dual 4G" option, select the SIM card VoLTE that needs to access the Internet, and press and hold the power to restart the phone.

2. Turn on the WiFi option, select "Internet Speed Mode" in "Advanced Settings" and turn off the switch of this mode.

3. Turn off the "network optimization" and "network acceleration" functions of game acceleration.