How to remove the default blue background of QQ bubbles

1. The first step is to click and open the QQ software.

2. In the second step, after coming to the main page of the QQ software, open a chat window and you can see that the QQ bubble is blue.

3. The third step, on the QQ main page, click on the personal avatar in the upper left corner, and then click on the settings option pointed by the arrow in the lower left corner.

4. In the fourth step, you can see the settings page as shown below, click on the general option pointed by the arrow.

5. Step 5: After coming to the general page shown in the picture below, turn on the switch on the right side of the simple mode, and then select the color you like.