How to set 4G for OPPO mobile phone?

The setting method of OPPO mobile phone 4G network can be tried according to the following steps:

1. Confirm that the 4G calling card has been replaced and the 4G function has been turned on;

2. Try to restart the phone;

3. Drag down from the top of the screen (or up from the bottom) to ensure that Move Data is turned on;

4. Set the network mode to 4G priority or turn on the 4G switch (the setting mode is divided into versions). Select the network according to the following path: ColorOS2.0/2. 1: Dual-card device: first enter Settings -SIM card settings-Internet access, and select the SIM card to be set. Then click Back to enter the mobile network-preferred network type, and select the priority of 4G network in the list; Single card device: Enter Settings-Mobile Network-Preferred Network Type in turn, and then select the 4G network priority in the list. ColorOS3.0: The selection of network mode is cancelled in the system. 4G network is used by default, and it will automatically switch to 2/3G when there is no 4G signal. );

If you don't set the network mode or you can't use 4G after setting it, it is recommended to change the machine and card for testing.