How do I unlock my iPhone stuck in VoiceOver mode?

Press the Home button (for devices with a Home button) or the Side button (for devices without a Home button) to wake up your iPhone.

Enter the passcode:

• Use a single finger to explore the screen. VoiceOver will read aloud the numbers as you touch them.
• To select a number, double-tap anywhere on the screen after VoiceOver reads out the number you want.
• Repeat this process for each digit of your passcode.

To ensure proper functionality, please verify which one of the following features is activated:

With VoiceOver—a gesture-based screen reader—you can use iPhone even if you can't see the screen. VoiceOver gives audible descriptions of what's on your screen—from battery level, to who's calling, to which app your finger is on. You can also adjust the speaking rate and pitch to suit your needs.

Turn on and practice VoiceOver on iPhone - Apple Support (IN)

Go to Settings > Accessibility > Spoken Content. Adjust any of the following: Speak Selection: To hear text you selected, tap the Speak button. Speak Screen: To hear the entire screen, swipe down with two fingers from the top of the screen.

Hear iPhone speak the screen, selected text, and typing ...

On your device, go to Settings > Accessibility > Spoken Content > Typing Feedback. From here, you can turn on the following: Character feedback: Turn on Characters to have your device speak letters as you type.

Use Typing Feedback on your iPhone, iPad, or iPod touch

Turn on Dictation

Go to Settings > General > Keyboard. Turn on Enable Dictation.

Dictate text on iPhone - Apple Support (IN)

Tap the key you want once to get a Voiceover verification. Tap a second time to enter the number. Do that until you have entered the passcode and can get into the device. Keep double tapping to get to

Settings

Accessibility

VoiceOver

turn off

More here Turn on and practice VoiceOver on iPhone - Apple Support

and here About the Accessibility Shortcut for iPhone, iPad, and iPod touch - Apple Support