3gp King Youtube New

ffmpeg -i your_4k_video.mp4 -c:v mpeg4 -vtag mp4v -vf scale=176:144 -r 15 -b:v 96k -c:a libopencore_amrnb -ar 8000 -ac 1 output.3gp

, for daily use on a modern flagship phone? Skip it. Your phone doesn't even have a .3gp player pre-installed anymore. You are better off using YouTube's native "Save offline" feature (Premium) or simply lowering your streaming quality to 144p. 3gp king youtube new