手机浏览器下载视频的真实存储路径取决于您所使用的浏览器和操作系统。以下是一些常见浏览器和操作系统的示例：
1. Chrome（Android和iOS）：
- 在Android设备上，视频通常存储在内部存储中，路径为：/sdcard/Download/video.mp4
- 在iOS设备上，视频通常存储在内部存储中，路径为：/private/var/mobile/Containers/Data/Application/<应用名称>/Documents/<文件名>.mp4
2. Firefox（Android和iOS）：
- 在Android设备上，视频通常存储在内部存储中，路径为：/storage/emulated/0/Download/video.mp4
- 在iOS设备上，视频通常存储在内部存储中，路径为：/private/var/mobile/Containers/Data/Application/<应用名称>/Documents/<文件名>.mp4
3. Safari（iOS）：
- 视频通常存储在内部存储中，路径为：/private/var/mobile/Containers/Data/Application/<应用名称>/Documents/<文件名>.mp4
4. Microsoft Edge（Windows 10）：
- 视频通常存储在内部存储中，路径为：C:\Users\<用户名>\AppData\Local\Packages\Microsoft.Edge_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxxxxxxx_xxxxxxxxxxxxxxxxccccc