Why is the iPhone 4's screen locked and only allowing for voice control?

[iMore Question]

my iPhone 4 is says screenlock and only allow for voice control

 

[Bigeric23]

Re: iphone 4 is stuck in talk mode, says screenlock. only opens voice control

Have you tried a forced restart?

https://support.apple.com/en-us/HT201559

 

[Just_Me_D]

Re: iphone 4 is stuck in talk mode, says screenlock. only opens voice control

The VoiceOver feature is enabled, and if it's your device, you enabled it and should know how to use it.