Click on the "Video" icon on the homepage to enter the video interface.
Click on "Settings" at the bottom of the video application, then click on "Add Offline Transcoding Task" to enter the offline transcoding management interface.
Click on "Select Video File", choose a video, then click on "HD" to switch the desired clarity after transcoding. After that, click on "Start Transcoding" to begin the transcoding task.
Click on the "+" icon at the top left corner, then select the video folder on the external storage device, and click on "Select Chosen File".
