How To Turn Off Charging Sound On Iphone. Plug in your iPhone to test the sound. If shortly three seconds to be precise after this first buzz or chime you get a second buzz or chime this means that the iPhone is fast charging.

To turn off the feature go to Settings Battery Battery Health Optimized Battery Charging. The shortcut doesnt actually replace the sound. If you jailbreak there is a tweak called PowerSoundDisabler.
Choose Sounds Haptics.
No sound nor Vibration. Download An Application Called Siri shortcut. Push the alert slider all the way to the top before plugging it to charge and then go to normal after that. No sound nor Vibration.

