This might be due to the lack of performance on your phone, causing the video to be blurry and stuttering when listening to music and watching live broadcasts. Listening to music and reading novels were done on mobile phones, while watching live broadcasts required higher network speeds to play videos smoothly. If your phone's network connection was unstable or there was insufficient network capacity, it could cause stuttering and blurry videos when listening to songs and watching live broadcasts. To solve this problem, you can try to improve your network connection or upgrade your phone's hardware to improve its performance. You can also check your network settings to make sure that your chosen carrier and your chosen gateway support a high-quality network connection.