How do I stop my iPhone from controlling volume?

"How do I stop my iPhone from controlling volume?: my iPhone's been keep turning the volume all the way up or down itslef out of control and I am sure that my volume buttons are functioning fine There’s no pattern of my iPhone doing it."

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iPhone Intermittently Changing:

A. Update your iPhone:

iOS 18.3 has been released. So, back up your iPhone to a computer, and then install this update. Having a backup, you will have something to restore it from, should anything go wrong.

B. Clear the Caches:

An app may be performing not as it should. This would be an issue with caches. You will be Abel to clear them using my User Tip: How to Clear "System Data" in your iPhone's Storage: - User Tip

"Thanks, I’ll try clearing the caches, plus it also happened even after updating to the iOS 18.3"

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You are welcome. Excellent job troubleshooting this!

Also, Report this 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. Apple will know nothing of this, if you don't report it to them.

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