iOS app preview video not saving in iTunes Connect

Question

I created a video of my iOS game using quicktime, processed it & exported it with iMovie iOS App Preview settings. Though I'm able to upload the video to iTunes Connect and successfully play it there, could select poster frame but it says " Your file could not be loaded, try again " & when I save the page, the video doesn't get saved.

I recorded in iPhone 5C at Resolution : 1136 × 640 @ 30fps, Codecs : AAC, H.264, Duration : 0.29 seconds.

I had already followed the handbrake and other approaches mentioned here - Unable to load app preview in iTunes connect but in vain.

Please let me know if there's any sure shot method of uploading App preview video.

Answer 1

I experienced this problem too and ended up by using free app called HandBrake to re-encode my mp4 video with specs described in the developer.apple.com

Basically I just changed these settings :

• Video Codec (FPS) to : H.264(x264)
• Video Framerate (FPS) to : 30
• Audio Codec to : AAC (Core Audio)
• Audio Mixdown to : Stereo
• Audio Sample rate to : 44.1
• Audio Bitrate to : 256

UPDATED 10/09/2020: The help link provided in this answer is from the old developer website which now forwards to the home page of the current developer help website. The current link with this information is in the link below:

https://help.apple.com/app-store-connect/#/dev4e413fcb8

Answer 2

We ended up having this problem as well and couldn't for the life of us come up with a file that would work.

As it turns out, the video was fine all along, but iTunes Connect has a very short upload time window. Uploading a 39MB file on an ADSL connection with 800kbit/s upload is apparently not good enough. (it didn't even work with a shorter, lower-quality 13MB file) It all worked fine first try via the iPhone's 3G personal hotspot with a 4Mbit/s upload speed.

Of course, that's not what the error message says. Sigh.