Tools/raw materials: demonstration mobile phone: vivoX9s mobile phone; System: Android version 8. 1.0, mobile QQ: V8.3.6.4590.
1. Open QQ and go to your home page. Click Settings in the lower left corner.
2. Go to the settings page and click About QQ and Help.
3. Go to the next page and click Help.
4. Enter the customer service center and click Feedback.
5. A blue window pops up on the page, and click to say a few words.
6. Fill in the contents as instructed, and then click Submit. So you can consult online manually.