why mobile video file are not imported on the time line

[YOGI GREENWOOD]

every day  i am waisting lots of  time in futile exercise for importing only audio files because videos are not supporting

[Joëlle Bh]

Which phone do you use?

[Ann Bens]

Most common user error is not source patching the track.
Solved by first opening clip in Source Monitor, set in and out point. Then drag/insert into timeline.

FAQ: Patching source sequences in Premiere Pro

[Michael Grenadier]

please download media info and tell us the specs of your source files

https://mediaarea.net/en/MediaInfo/Download

you drag a file to the media info window and then view in either text or tree mode and tell us

format,  width and height, frame rate mode and frame rate.