06-03-2020 09:37 AM
Hello, @sunnyridge12017. How do you playback your video files on the iPhone/iPad? Is it through the GoPro App? If so, are you playing back on preview? See if the stuttering will still be observed when the files are saved in the app first, then viewed.
Does it matter which resolution settings were used for the recording? When playing back higher resolution videos that have been downloaded through the GoPro App and played back on a phone.
Some phones can have a difficult time playing back high resolution video smoothly. If playback is choppy, the actual video file is likely fine - it's most likely just a playback issue on a specific device which will likely play back smooth on other devices or video editing applications.