iPhone Slow motion video not playing "slowly"

Oh wow. That fixed it. So no slow motion, if you have advanced data protection on. So weird.

Hey there,

This unexpected behavior , try to Restart your iPhone , force close Photos app

if that doesn’t work Contact Apple for support and service - Apple Support

Regards!

Well, the issue is with the advance data protection in my case. Try turn it off ;).

"iPhone Slow motion video not playing 'slowly': Hi everyone, When I record a slow-motion video on my iPhone running iOS 16.5, it doesn't play in slow motion when I view it from the Photos app. However, the slow-motion effect is visible when I switch to the Edit mode and press Play."

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Report this as a Bug to Apple:

Do your Part: Provide Apple with feedback on this, letting them know about this issue.  Apple may not get back to you directly, but the more feedback they receive on this, the more they will know what is occurring, and what bug fixes to include in updates to come.

1. Go Here: Feedback - iPhone - Apple
2. Select: "Bug Report" for the "Feedback Type"
3. Comment: that this all began after installing an update. Include the URL of this thread
4. Proceed from there as necessary

But is it possible that this issue is triggered with the update to IOS 16.5.1?

Anyway, it fixed the problem for me too after deactivating the advanced data protection.

Nope, I have tested on 16.4, 16.5. and the issue was there too.

It seems the problem disappeared with iOS 17.

Advanced Data protection turned off on my iPhone 13, and safari is dial up slow. Battery is draining badly and phone use is all sluggish. Have followed suggestions reducing battery usage as much as possible by apps., ect. Calling Apple this is unacceptable and should never have been rolled out with these Bugs!!

I have same issue and restarting phone does not help. Viewing in edit mode works, so it is reordered correctly. Also viewing same video on a iPad works as expected.

Same here, I reset my iPhone 14 Pro as a new device and it doesn't help me.

Same issue with my iphone 13 pro, ios 16.5

restoring the setting seems to help

Nope, restoring the setting doesn't work. :(