The video is cached in the beeps of the mobile phone. If you want to find the source file, you must find it in the internal storage of the mobile phone. The method is as follows:
1. Click to open file management to view local classification.
2. Locate "Internal Storage" in the local category and click it. Locate the android folder in the new page, and then click Open.
3. At this time, you will also see many folders. Click the data folder in the first position, and then you need to try to find the tv.danmaku.bili folder, and click Open.
4. At this point, you will see three folders. Click on the dowuload folder, and you will see several folders named by numbers. The number of folders is the same as the number of video files cached in the phone. Because it has changed here, it is written as a "random" folder in the above path description, which is actually not random. Now click on one of the folders.
5. Then click the subfolder 1. At this point, you can see three files in the newly opened folder. Click on that unique folder. Similarly, in the above path description, it is written as a "random" folder, which is actually not random, but changing.
6. At this time, you can see the video file of the mobile phone that you want to find, and its suffix is. blv。