MP4, as a popular video format for saving media data, can be downloaded from websites like YouTube, Fox and so on, or may be recorded by mobile devices such as Samsung phones.
MP4, dị ka a na-ewu ewu video format maka azọpụta media data, nwere ike ibudata site weebụsaịtị ka YouTube, Fox na na, ma ọ bụ nwere ike dere site mobile ngwaọrụ dị ka Samsung ntị.