Accessibility issue: Personal Voice unexpectedly turning back on.

Hi, and welcome to the Apple (user-to-user) Community!

Re: "Accessibility issue: Personal Voice unexpectedly turning back on.

Why iPhone 14 Pro Max frequently enables share across devices for personal voice in accessibility setting

after I continually disable it each time I check and it’s enabled? "

Wondering if this is where you are turning personal voice off on your iPhone.

Open the Settings app. Tap Accessibility, then tap Personal Voice.

Turn off (or on) Share Across Devices.

Wondering too, whether you may have personal voice enabled in iCloud, or on other devices as well.

Apple support's articles: Create a Personal Voice on your iPhone, iPad, or Mac - Apple Support

Eg: says:

"Personal Voice can be used only with Live Speech and third-party apps that you allow, such as augmentative and alternative communication (AAC) apps. You can control app access to Personal Voice in Settings (or System Settings) > Accessibility > Personal Voice. Additionally, the third-party apps that you grant access can't capture speech from Personal Voice."

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If you need help with this feature, and it is not forthcoming here, you may want to reach out to the experts in Apple's Accessibility Support Team: See: How to contact Apple for accessibility support - Apple Support

or

To provide feedback about any accessibility feature on an Apple product, you can email the Accessibility team: accessibility@apple.com

All the best :-)